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CamperBob2
on Nov 1, 2018
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On Hold for 45 Minutes? It Might Be Your Secret Cu...
A classic example from several years ago:
https://www.forbes.com/sites/kashmirhill/2012/02/16/how-targ...
That was several years ago.
solarkraft
on Nov 1, 2018
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That's using all of her purchasing history. Knowing your customer has visited a competitor's website appears more difficult to me.
pbhjpbhj
on Nov 2, 2018
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DNS providers often know all the websites an IP visited.
hulahoof
on Nov 1, 2018
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If you're a telco this is trivial for your customers.
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Search:
https://www.forbes.com/sites/kashmirhill/2012/02/16/how-targ...
That was several years ago.