it means you can display a soccer-related ad at 8am and know that he will be wat... | Hacker News

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leej on Dec 22, 2009 | parent | context | favorite | on: Ask HN: How to analyse the real-time Web?

it means you can display a soccer-related ad at 8am and know that he will be watching it.

FreeRadical on Dec 22, 2009 [–]

But this occurs already with ad networks and has been going on for years, they track your previous behaviours and delivery 'relevant' ads.

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