Twitter use cookies to deliver, measure, and improve our services in various ways. These uses generally fall into one of the following categories:

• Authentication and security
• Preferences
• Analytics and research
• Personalized content
• Advertising
• Personalization across devices

Where are these technologies used?
Twitter (along with third parties) use these technologies on their websites, applications, and services and on other websites, applications, and services that have integrated their services, including third-party properties that incorporate their advertising technology. This includes their ad partners’ websites and sites that use their embeds, including embedded timelines.
Third parties may also use these technologies, for example, when you click on links from our websites or applications,  view or interact with third-party content from within our services, or visit third-party websites that incorporate their advertising technology.

• Function: Twitter cookie
• eu_cn
• ct0
• guest_id
• personalization_id