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What are cookies, pixels, and local storage?

Tagging and tracking your movements, preferences and browsing history which is most often sold and traded to 3rd party data brokers

Cookies, pixels and local storage help deliver those creepy ads you were wondering about that seem to appear relative to topics you were recently viewing and ask yourself "how did they know"

  • Advertising:
    • To help us deliver ads, measure their performance, and make them more relevant to you based on criteria like your activity on Twitter and visits to our ad partners' websites
      For example, Twitter uses cookies and pixels to personalize ads and measure their performance. Using these technologies, we can show you ads and evaluate their effectiveness based on your visits to our ad partners' websites. This helps advertisers provide high-quality ads and content that might be more interesting to you.
Twitter also works with third-party advertising partners, including Google, to market Twitter’s services and serve ads on behalf of Twitter advertisers, including through the delivery of interest-based ads.
  • Personalization across devices:
    • By better understanding how devices are related, we can use information from one device to help personalize the Twitter experience on another device.
      When you log in to Twitter on a device, we associate that device with your Twitter account. Whether or not you are logged in to Twitter, we may also receive information about your devices when, for example, that information is shared by a partner; you visit Twitter.com; you visit third-party websites that integrate Twitter content; or you visit a Twitter advertiser’s website or mobile application. We may use this information, most commonly IP addresses and the time at which the information was received, to infer that certain devices are associated with one another, including the devices on which you log in to Twitter. To learn more about the devices associated with your account, check out Your Twitter Data while logged in. To learn more about the other devices associated with the device or browser you are currently using, visit Your Twitter Data while logged out.
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