is this based on cookies or the css history hack? | Hacker News

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braindead_in on March 11, 2009 | parent | context | favorite | on: Google Introduces Interest-based Adsense

is this based on cookies or the css history hack?

Tichy on March 11, 2009 [–]

Probably cookies, I think the Google cookie lives for a really long time. And anytime Google sends you something, they can send and check for cookies. That includes Google Analytics, too, I suppose.

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