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by Aerroon
3 days ago
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This is my understanding: * Microsoft collects timestamped GDID - IP address combinations at some interval. * Other Service (eg your website) collects timestamped IP address data. Combine the above and you can tell which GDID visited the service without the service knowing anything about GDID. Eg At 9:47:00 Microsoft gets a ping from a computer at IP address "123" with a GDID of "abc". At 9:48:07 mywebsite.com is visited by IP address "123". You combine both sets of data and you can be reasonably sure that GDID "abc" visited mywebsite.com at 9:48:07. |
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