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by bennyp101
1739 days ago
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Bob searches for "new Ford car" on Google, Dave is sat next to him in the pub, he opens up his Facebook, and sees an ad for a new Ford car. The hotspot isn't sharing anything, but the apps are putting data together. Google says "This IP is looking this up, and the tracking matches one of your users" (Or maybe they just firehose searches for relevant terms? I dunno.) Facebook app sees that, then sees that Dave is also using that IP for his Facebook app, put together with a list of Bob/Dave's friends and IP's, it's a high probability that they are talking about it currently, so show Bob's friends nearby that ad. |
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