Twitter TOS Change

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Developer Agreement
Developer Agreement
Effective: October 10, 2022
Effective: January 19, 2023


This Twitter Developer Agreement (“Agreement”) is made between you (either an individual or an entity, referred to herein as “you”) and Twitter (as defined below) and governs your access to and use of the Licensed Material (as defined below).Your use of Twitter’s websites, SMS, APIs, email notifications, applications, buttons, embeds, ads, and our other covered services is governed by our general Terms of Service and Privacy Policy.
This Twitter Developer Agreement (“Agreement”) is made between you (either an individual or an entity, referred to herein as “you”) and Twitter (as defined below) and governs your access to and use of the Licensed Material (as defined below).Your use of Twitter’s websites, SMS, APIs, email notifications, applications, buttons, embeds, ads, and our other covered services is governed by our general Terms of Service and Privacy Policy.


PLEASE READ THE TERMS AND CONDITIONS OF THIS AGREEMENT CAREFULLY, INCLUDING ANY LINKED TERMS REFERENCED BELOW, WHICH ARE PART OF THIS LICENSE AGREEMENT. BY USING THE LICENSED MATERIAL, YOU ARE AGREEING THAT YOU HAVE READ, AND THAT YOU AGREE TO COMPLY WITH AND TO BE BOUND BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND ALL APPLICABLE LAWS AND REGULATIONS IN THEIR ENTIRETY WITHOUT LIMITATION OR QUALIFICATION. IF YOU DO NOT AGREE TO BE BOUND BY THIS AGREEMENT, THEN YOU MAY NOT ACCESS OR OTHERWISE USE THE LICENSED MATERIAL. THIS AGREEMENT IS EFFECTIVE AS OF THE FIRST DATE THAT YOU USE THE LICENSED MATERIAL (“EFFECTIVE DATE”).
PLEASE READ THE TERMS AND CONDITIONS OF THIS AGREEMENT CAREFULLY, INCLUDING ANY LINKED TERMS REFERENCED BELOW, WHICH ARE PART OF THIS LICENSE AGREEMENT. BY USING THE LICENSED MATERIAL, YOU ARE AGREEING THAT YOU HAVE READ, AND THAT YOU AGREE TO COMPLY WITH AND TO BE BOUND BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND ALL APPLICABLE LAWS AND REGULATIONS IN THEIR ENTIRETY WITHOUT LIMITATION OR QUALIFICATION. IF YOU DO NOT AGREE TO BE BOUND BY THIS AGREEMENT, THEN YOU MAY NOT ACCESS OR OTHERWISE USE THE LICENSED MATERIAL. THIS AGREEMENT IS EFFECTIVE AS OF THE FIRST DATE THAT YOU USE THE LICENSED MATERIAL (“EFFECTIVE DATE”).


IF YOU ARE AN INDIVIDUAL REPRESENTING AN ENTITY, YOU ACKNOWLEDGE THAT YOU HAVE THE APPROPRIATE AUTHORITY TO ACCEPT THIS AGREEMENT ON BEHALF OF SUCH ENTITY. YOU MAY NOT USE THE LICENSED MATERIAL AND MAY NOT ACCEPT THIS AGREEMENT IF YOU ARE NOT OF LEGAL AGE TO FORM A BINDING CONTRACT WITH TWITTER, OR YOU ARE BARRED FROM USING OR RECEIVING THE LICENSED MATERIAL UNDER APPLICABLE LAW.
IF YOU ARE AN INDIVIDUAL REPRESENTING AN ENTITY, YOU ACKNOWLEDGE THAT YOU HAVE THE APPROPRIATE AUTHORITY TO ACCEPT THIS AGREEMENT ON BEHALF OF SUCH ENTITY. YOU MAY NOT USE THE LICENSED MATERIAL AND MAY NOT ACCEPT THIS AGREEMENT IF YOU ARE NOT OF LEGAL AGE TO FORM A BINDING CONTRACT WITH TWITTER, OR YOU ARE BARRED FROM USING OR RECEIVING THE LICENSED MATERIAL UNDER APPLICABLE LAW.


I. Twitter API and Twitter Content
I. Twitter API and Twitter Content
A. Definitions
A. Definitions
Broadcast ID - A unique identification number generated for each Periscope Broadcast.
Broadcast ID - A unique identification number generated for each Periscope Broadcast.


Developer Site ‒ Twitter’s developer site located at https://developer.twitter.com
Developer Site ‒ Twitter’s developer site located at https://developer.twitter.com


End Users ‒ Users of your Services.
End Users ‒ Users of your Services.


Licensed Material ‒ A collective term for the Twitter API, Twitter Content and Twitter Marks.
Licensed Material ‒ A collective term for the Twitter API, Twitter Content and Twitter Marks.


Periscope Broadcast - A live or on-demand video stream that is publicly displayed on Twitter Applications and is generated by a user via Twitter’s Periscope Producer feature (as set forth at https://help.periscope.tv/customer/en/portal/articles/2600293).
Periscope Broadcast - A live or on-demand video stream that is publicly displayed on Twitter Applications and is generated by a user via Twitter’s Periscope Producer feature (as set forth at https://help.periscope.tv/customer/en/portal/articles/2600293).


Services ‒ Your services, websites, applications and other offerings (including research) that display Twitter Content or otherwise use the Licensed Material.
Services ‒ Your services, websites, applications and other offerings (including research) that display Twitter Content or otherwise use the Licensed Material.


Tweet ID ‒ A unique identification number generated for each Tweet.
Tweet ID ‒ A unique identification number generated for each Tweet.


Tweet ‒ a posting made on Twitter Applications.
Tweet ‒ a posting made on Twitter Applications.


Twitter Content ‒ Tweets, Tweet IDs, Twitter end user profile information, Periscope Broadcasts, Broadcast IDs and any other data and information made available to you through the Twitter API or by any other means authorized by Twitter, and any copies and derivative works thereof.
Twitter Content ‒ Tweets, Tweet IDs, Twitter end user profile information, Periscope Broadcasts, Broadcast IDs and any other data and information made available to you through the Twitter API or by any other means authorized by Twitter, and any copies and derivative works thereof.


"Twitter" means Twitter, Inc., with an office located at 1355 Market Street, Suite 900, San Francisco, CA, 94103, USA. If you enter into this Agreement or an Order outside of the United States, Canada or Latin America, Twitter International Unilimited Company with its registered offices at One Cumberland Place, Fenian Street, Dublin 2, D02 AX07, Ireland (“TIUC”) is the contracting entity.
"Twitter" means Twitter, Inc., with an office located at 1355 Market Street, Suite 900, San Francisco, CA, 94103, USA. If you enter into this Agreement or an Order outside of the United States, Canada or Latin America, Twitter International Unilimited Company with its registered offices at One Cumberland Place, Fenian Street, Dublin 2, D02 AX07, Ireland (“TIUC”) is the contracting entity.


Direct Message - A message that is privately sent on Twitter Applications by one end user to one or more specific end user(s) using Twitter’s Direct Message function.
Direct Message - A message that is privately sent on Twitter Applications by one end user to one or more specific end user(s) using Twitter’s Direct Message function.


Twitter API ‒ The Twitter Application Programming Interface (“API”), Software Development Kit (“SDK”) and/or the related documentation, data, code, and other materials provided by Twitter with the API, as updated from time to time, including without limitation through the Developer Site.
Twitter API ‒ The Twitter Application Programming Interface (“API”), Software Development Kit (“SDK”) and/or the related documentation, data, code, and other materials provided by Twitter with the API, as updated from time to time, including without limitation through the Developer Site.


Twitter Marks ‒ The Twitter name, trademarks, and logos that Twitter makes available to you, including via the Developer Site.
Twitter Marks ‒ The Twitter name, trademarks, and logos that Twitter makes available to you, including via the Developer Site.


Twitter Applications ‒ Twitter’s consumer facing products, services, applications, websites, web pages, platforms, and other offerings, including without limitation, those offered via https://twitter.com and Twitter’s mobile applications.
Twitter Applications ‒ Twitter’s consumer facing products, services, applications, websites, web pages, platforms, and other offerings, including without limitation, those offered via https://twitter.com and Twitter’s mobile applications.


B. License from Twitter. Subject to the terms and conditions in this Agreement and the Developer Policy (as a condition to the grant below), Twitter hereby grants you and you accept a non-exclusive, royalty free, non-transferable, non-sublicensable, revocable license solely to:
B. License from Twitter. Subject to the terms and conditions in this Agreement and the Developer Policy (as a condition to the grant below), Twitter hereby grants you and you accept a non-exclusive, royalty free, non-transferable, non-sublicensable, revocable license solely to:


Use the Twitter API to integrate Twitter Content into your Services or conduct analysis of such Twitter Content, as explicitly approved by Twitter;
Use the Twitter API to integrate Twitter Content into your Services or conduct analysis of such Twitter Content, as explicitly approved by Twitter;


Copy a reasonable amount of and display the Twitter Content on and through your Services to End Users, as permitted by this Agreement;
Copy a reasonable amount of and display the Twitter Content on and through your Services to End Users, as permitted by this Agreement;


Modify Twitter Content only to format it for display on your Services; and
Modify Twitter Content only to format it for display on your Services; and


Use and display Twitter Marks, solely to attribute Twitter’s offerings as the source of the Twitter Content, as set forth herein.
Use and display Twitter Marks, solely to attribute Twitter’s offerings as the source of the Twitter Content, as set forth herein.


C. License to Twitter You hereby grant Twitter and Twitter accepts a non-exclusive, royalty free, non-transferable, non-sublicensable revocable license to access, index, and cache by any means, including web spiders and/or crawlers, any webpage or applications on which you display Twitter Content using embedded Tweets or embedded timelines.
C. License to Twitter You hereby grant Twitter and Twitter accepts a non-exclusive, royalty free, non-transferable, non-sublicensable revocable license to access, index, and cache by any means, including web spiders and/or crawlers, any webpage or applications on which you display Twitter Content using embedded Tweets or embedded timelines.


D. Incorporated Terms. Your use of the Licensed Material is further subject to and governed by the following terms and conditions:
D. Incorporated Terms. Your use of the Licensed Material is further subject to and governed by the following terms and conditions:


the Twitter Developer Policy;
the Twitter Developer Policy;


the API Restricted Use Rules;
the API Restricted Use Rules;


the Twitter Rules;
the Twitter Rules;


as it relates to your display of any of the Twitter Content, the Display Requirements;
as it relates to your display of any of the Twitter Content, the Display Requirements;


as it relates to your use and display of the Twitter Marks, the Twitter Brand Resources;
as it relates to your use and display of the Twitter Marks, the Twitter Brand Resources;


as it relates to taking automated actions on your account, the Automation Rules;
as it relates to taking automated actions on your account, the Automation Rules;


as it relates to your use of Periscope, the Periscope Community Guidelines, and the Periscope Trademark Guidelines.
as it relates to your use of Periscope, the Periscope Community Guidelines, and the Periscope Trademark Guidelines.


The Developer Policy, API Restricted Use Rules, Twitter Rules, Display Requirements, Brand Resources, Automation Rules, Periscope Community Guidelines, and Periscope Trademark Guidelines are collectively referred to herein as the “Incorporated Developer Terms”. You agree to the Incorporated Developer Terms, which are hereby incorporated by reference and are available in hardcopy upon request to Twitter. In the event of a conflict between the Incorporated Developer Terms and this Agreement, this Agreement shall control. None of the Incorporated Developer Terms expand or extend the license to the Twitter API, Twitter Content or Twitter Marks granted in this Agreement.
The Developer Policy, API Restricted Use Rules, Twitter Rules, Display Requirements, Brand Resources, Automation Rules, Periscope Community Guidelines, and Periscope Trademark Guidelines are collectively referred to herein as the “Incorporated Developer Terms”. You agree to the Incorporated Developer Terms, which are hereby incorporated by reference and are available in hardcopy upon request to Twitter. In the event of a conflict between the Incorporated Developer Terms and this Agreement, this Agreement shall control. None of the Incorporated Developer Terms expand or extend the license to the Twitter API, Twitter Content or Twitter Marks granted in this Agreement.




II. Restrictions on Use of Licensed Materials
II. Restrictions on Use of Licensed Materials
A. Reverse Engineering and other Restrictions. You will not or attempt to (and will not allow others to) a) reverse engineer, decompile, disassemble or translate the Twitter API, or otherwise attempt to derive source code, trade secrets or know-how in or underlying any Twitter API or any portion thereof; b) interfere with, modify, disrupt or disable features or functionality of the Twitter API, including without limitation any such mechanism used to restrict or control the functionality, or defeat, avoid, bypass, remove, deactivate or otherwise circumvent any software protection or monitoring mechanisms of the Twitter API; b) sell, rent, lease, sublicense, distribute, redistribute, syndicate, create derivative works of, assign or otherwise transfer or provide access to, in whole or in part, the Licensed Material to any third party except as expressly permitted herein; d) provide use of the Twitter API on a service bureau, rental or managed services basis or permit other individuals or entities to create links to the Twitter API or "frame" or "mirror" the Twitter API on any other server, or wireless or Internet-based device, or otherwise make available to a third party, any token, key, password or other login credentials to the Twitter API; or e) use the Licensed Material for any illegal, unauthorized or other improper purposes, including without limitation to store or transmit infringing, libelous, or otherwise unlawful or tortious material, to store or transmit malicious code, or to store or transmit material in violation of third-party privacy rights; (f) utilize the Licensed Material to derive or obtain non-public information of individual Twitter users, including without limitation a user’s location; (g) interfere with or disrupt the integrity or performance of the Twitter Applications, Twitter API or Twitter Content contained therein, including by disrupting the ability of any other person to use or enjoy the Twitter Applications, Twitter API or Twitter Content, or attempt to gain unauthorized access to the Twitter Applications, Twitter API, Twitter Content or related systems or networks; (h) remove or alter any proprietary notices or marks on the Twitter Content; or (i) use Twitter Content, by itself or bundled with third party data, or derivative analysis therefrom, to target users with advertising outside of the Twitter Applications, including without limitation on other advertising networks, via data brokers, or through any other advertising or monetization services.
A. Reverse Engineering and other Restrictions. You will not or attempt to (and will not allow others to) a) reverse engineer, decompile, disassemble or translate the Twitter API, or otherwise attempt to derive source code, trade secrets or know-how in or underlying any Twitter API or any portion thereof; b) interfere with, modify, disrupt or disable features or functionality of the Twitter API, including, without limitation, any such mechanism used to restrict or control the functionality, or defeat, avoid, bypass, remove, deactivate or otherwise circumvent any software protection or monitoring mechanisms of the Twitter API; c) use or access the Licensed Materials to create or attempt to create a substitute or similar service or product to the Twitter Applications; d) sell, rent, lease, sublicense, distribute, redistribute, syndicate, create derivative works of, assign or otherwise transfer or provide access to, in whole or in part, the Licensed Material to any third party except as expressly permitted herein; e) provide use of the Twitter API on a service bureau, rental or managed services basis or permit other individuals or entities to create links to the Twitter API or "frame" or "mirror" the Twitter API on any other server, or wireless or Internet-based device, or otherwise make available to a third party, any token, key, password or other login credentials to the Twitter API; f) use the Licensed Material for any illegal, unauthorized or other improper purposes, including without limitation to store or transmit infringing, libelous, or otherwise unlawful or tortious material, to store or transmit malicious code, or to store or transmit material in violation of third-party privacy rights; g) utilize the Licensed Material to derive or obtain non-public information of individual Twitter users, including, without limitation, a user’s location; (h) interfere with or disrupt the integrity or performance of the Twitter Applications, Twitter API or Twitter Content contained therein, including, without limitation, by disrupting the ability of any other person to use or enjoy the Twitter Applications, Twitter API or Twitter Content, or attempt to gain unauthorized access to the Twitter Applications, Twitter API, Twitter Content or related systems or networks; (i) remove or alter any proprietary notices or marks on the Twitter Content; or (j) use Twitter Content, by itself or bundled with third party data, or derivative analysis therefrom, to target users with advertising outside of the Twitter Applications, including without limitation on other advertising networks, via data brokers, or through any other advertising or monetization services.


B. Commercial Use Restrictions. If your Project (located in your Twitter developer portal) is designated as ‘non-commercial’ you shall not make Commercial Use of the Licensed Materials. Commercial Use restrictions may not apply to those officially registered: (1) non-profits or (2) NGOs. “Commercial Use” means any use of the Licensed Materials (which includes access to the Twitter API): (i) by (or on behalf of) a business (i.e. entity whose primary purpose is to earn revenue through a product or service) or (ii) as part of a product or service that is monetized (including but not limited to website advertising, licensing fees, in-app promotions, and sponsorships).
B. Commercial Use Restrictions. If your Project (located in your Twitter developer portal) is designated as ‘non-commercial’ you shall not make Commercial Use of the Licensed Materials. Commercial Use restrictions may not apply to those officially registered: (1) non-profits or (2) NGOs. “Commercial Use” means any use of the Licensed Materials (which includes access to the Twitter API): (i) by (or on behalf of) a business (i.e. entity whose primary purpose is to earn revenue through a product or service) or (ii) as part of a product or service that is monetized (including but not limited to website advertising, licensing fees, in-app promotions, and sponsorships).


C. No Monitoring or Measuring. Despite any other provision herein, you may only use the following information for non-commercial, internal purposes (e.g., to improve the functionality of the Services): (a) aggregate Twitter Applications user metrics, such as number of active users or accounts on Twitter Applications; (b) the responsiveness of Twitter Applications; and (c) results, usage statistics, data or other information (in the aggregate or otherwise) derived from analyzing, using, or regarding the performance of the Twitter API. All such information is Twitter’s Confidential Information.
C. No Monitoring or Measuring. Despite any other provision herein, you may only use the following information for non-commercial, internal purposes (e.g., to improve the functionality of the Services): (a) aggregate Twitter Applications user metrics, such as number of active users or accounts on Twitter Applications; (b) the responsiveness of Twitter Applications; and (c) results, usage statistics, data or other information (in the aggregate or otherwise) derived from analyzing, using, or regarding the performance of the Twitter API. All such information is Twitter’s Confidential Information.


D. Rate Limits. You will not attempt to exceed or circumvent limitations on access, calls and use of the Twitter API ("Rate Limits"), or otherwise use the Twitter API in a manner that exceeds reasonable request volume, constitutes excessive or abusive usage, or otherwise fails to comply or is inconsistent with any part of this Agreement. If you exceed or Twitter reasonably believes that you have attempted to circumvent Rate Limits, controls to limit use of the Twitter APIs or the terms and conditions of this Agreement, then your ability to use the Licensed Materials may be temporarily suspended or permanently blocked. Twitter may monitor your use of the Twitter API to improve the Licensed Materials and Twitter Applications and to ensure your compliance with this Agreement and Incorporated Developer Terms.
D. Rate Limits. You will not attempt to exceed or circumvent limitations on access, calls and use of the Twitter API ("Rate Limits"), or otherwise use the Twitter API in a manner that exceeds reasonable request volume, constitutes excessive or abusive usage, or otherwise fails to comply or is inconsistent with any part of this Agreement. If you exceed or Twitter reasonably believes that you have attempted to circumvent Rate Limits, controls to limit use of the Twitter APIs or the terms and conditions of this Agreement, then your ability to use the Licensed Materials may be temporarily suspended or permanently blocked. Twitter may monitor your use of the Twitter API to improve the Licensed Materials and Twitter Applications and to ensure your compliance with this Agreement and Incorporated Developer Terms.


E. Location Data. You will not (and you will not allow others to) aggregate, cache, or store location data and other geographic information contained in the Twitter Content, except in conjunction with the Twitter Content to which it is attached. You may only use such location data and geographic information to identify the location tagged by the Twitter Content. You may not use location data or geographic information on a standalone basis.
E. Location Data. You will not (and you will not allow others to) aggregate, cache, or store location data and other geographic information contained in the Twitter Content, except in conjunction with the Twitter Content to which it is attached. You may only use such location data and geographic information to identify the location tagged by the Twitter Content. You may not use location data or geographic information on a standalone basis.


F. Use of Twitter Marks. The Twitter Marks may not be included in or as part of your registered corporate name, any of your logos, or any of your service or product names. Moreover, you may not create any derivative works of the Twitter Marks or use the Twitter Marks in a manner that creates or reasonably implies an inaccurate sense of endorsement, sponsorship, or association with Twitter. You will not otherwise use business names and/or logos in a manner that can mislead, confuse, or deceive users of your Services. All use of the Twitter Marks and all goodwill arising out of such use, will inure to Twitter's benefit. You shall not use the Twitter Marks except as expressly authorized herein without Twitter's prior consent. You will not remove or alter any proprietary notices or Twitter Marks on the Licensed Material.
F. Use of Twitter Marks. The Twitter Marks may not be included in or as part of your registered corporate name, any of your logos, or any of your service or product names. Moreover, you may not create any derivative works of the Twitter Marks or use the Twitter Marks in a manner that creates or reasonably implies an inaccurate sense of endorsement, sponsorship, or association with Twitter. You will not otherwise use business names and/or logos in a manner that can mislead, confuse, or deceive users of your Services. All use of the Twitter Marks and all goodwill arising out of such use, will inure to Twitter's benefit. You shall not use the Twitter Marks except as expressly authorized herein without Twitter's prior consent. You will not remove or alter any proprietary notices or Twitter Marks on the Licensed Material.


G. Security. You will maintain the security of the Twitter API and will not make available to a third party, any token, key, password or other login credentials to the Twitter API. You will use industry standard security measures to prevent unauthorized access or use of any of the features and functionality of the Twitter API, including access by viruses, worms, or any other harmful code or material. Additionally, you will keep Twitter Content (including, where applicable, personal data) confidential and secure from unauthorized access by using industry-standard organizational and technical safeguards for such data, and with no less care than it uses in connection with securing similar data you store. You will immediately notify Twitter consult and cooperate with investigations, assist with any required notices, and provide any information reasonably requested by Twitter if you know of or suspects any breach of security or potential vulnerability related to the Licensed Material and will promptly remedy such breach or potential vulnerability resulting from Your access to the Licensed Material
G. Security. You will maintain the security of the Twitter API and will not make available to a third party, any token, key, password or other login credentials to the Twitter API. You will use industry standard security measures to prevent unauthorized access or use of any of the features and functionality of the Twitter API, including access by viruses, worms, or any other harmful code or material. Additionally, you will keep Twitter Content (including, where applicable, personal data) confidential and secure from unauthorized access by using industry-standard organizational and technical safeguards for such data, and with no less care than it uses in connection with securing similar data you store. You will immediately notify Twitter consult and cooperate with investigations, assist with any required notices, and provide any information reasonably requested by Twitter if you know of or suspects any breach of security or potential vulnerability related to the Licensed Material and will promptly remedy such breach or potential vulnerability resulting from Your access to the Licensed Material




III. Updates and Removals
III. Updates and Removals
A. Updates. You acknowledge that Twitter may update or modify the Licensed Materials from time to time, and at its sole discretion (in each instance, an “Update”). You are required to implement and use the most current version of the Licensed Materials and to make any changes to your Services that are required as a result of such Update, at your sole cost and expense. Updates may adversely affect the manner in which your Services access or communicate with the Twitter API or display Twitter Content. Your continued access or use of the Licensed Materials following an update or modification will constitute binding acceptance of the Update.
A. Updates. You acknowledge that Twitter may update or modify the Licensed Materials from time to time, and at its sole discretion (in each instance, an “Update”). You are required to implement and use the most current version of the Licensed Materials and to make any changes to your Services that are required as a result of such Update, at your sole cost and expense. Updates may adversely affect the manner in which your Services access or communicate with the Twitter API or display Twitter Content. Your continued access or use of the Licensed Materials following an update or modification will constitute binding acceptance of the Update.


B. Removals. If Twitter Content is deleted, gains protected status, or is otherwise suspended, withheld, modified, or removed from the Twitter Applications (including removal of location information), you will make all reasonable efforts to delete or modify such Twitter Content (as applicable) as soon as possible, and in any case within 24 hours after a written request to do so by Twitter or by a Twitter user with regard to their Twitter Content, unless prohibited by applicable law or regulation and with the express written permission of Twitter.
B. Removals. If Twitter Content is deleted, gains protected status, or is otherwise suspended, withheld, modified, or removed from the Twitter Applications (including removal of location information), you will make all reasonable efforts to delete or modify such Twitter Content (as applicable) as soon as possible, and in any case within 24 hours after a written request to do so by Twitter or by a Twitter user with regard to their Twitter Content, unless prohibited by applicable law or regulation and with the express written permission of Twitter.




IV. Ownership and Feedback
IV. Ownership and Feedback
A. Ownership. The Licensed Material is licensed, not sold, and Twitter retains and reserves all rights not expressly granted in this Agreement. You expressly acknowledge that Twitter, its licensors and its end users retain all worldwide right, title and interest in and to the Licensed Material, including all rights in patents, trademarks, trade names, copyrights, trade secrets, know-how, data (including all applications therefor), and all proprietary rights under the laws of the United States, any other jurisdiction or any treaty ("IP Rights"). You agree not to do anything inconsistent with such ownership, including without limitation, challenging Twitter’s ownership of the Twitter Marks, challenging the validity of the licenses granted herein, or otherwise copying or exploiting the Twitter Marks during or after the termination of this Agreement, except as specifically authorized herein. If you acquire any rights in the Twitter Marks or any confusingly similar marks, by operation of law or otherwise, you will, at no expense to Twitter, immediately assign such rights to Twitter.
A. Ownership. The Licensed Material is licensed, not sold, and Twitter retains and reserves all rights not expressly granted in this Agreement. You expressly acknowledge that Twitter, its licensors and its end users retain all worldwide right, title and interest in and to the Licensed Material, including all rights in patents, trademarks, trade names, copyrights, trade secrets, know-how, data (including all applications therefor), and all proprietary rights under the laws of the United States, any other jurisdiction or any treaty ("IP Rights"). You agree not to do anything inconsistent with such ownership, including without limitation, challenging Twitter’s ownership of the Twitter Marks, challenging the validity of the licenses granted herein, or otherwise copying or exploiting the Twitter Marks during or after the termination of this Agreement, except as specifically authorized herein. If you acquire any rights in the Twitter Marks or any confusingly similar marks, by operation of law or otherwise, you will, at no expense to Twitter, immediately assign such rights to Twitter.


B. Feedback. You may provide Twitter with comments concerning the Licensed Material, Twitter Applications or your evaluation and use thereof (collectively, "Feedback"). You hereby grant Twitter all rights, title and ownership of such Feedback (including all intellectual property rights therein), and Twitter may use the Feedback for any and all commercial and non-commercial purposes with no obligation of any kind to you.
B. Feedback. You may provide Twitter with comments concerning the Licensed Material, Twitter Applications or your evaluation and use thereof (collectively, "Feedback"). You hereby grant Twitter all rights, title and ownership of such Feedback (including all intellectual property rights therein), and Twitter may use the Feedback for any and all commercial and non-commercial purposes with no obligation of any kind to you.