How is this UID different to an IP address? | Hacker News

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dzhiurgis on Oct 23, 2014 | parent | context | favorite | on: Verizon Wireless injecting tracking UIDs into HTTP...

How is this UID different to an IP address?

acdha on Oct 23, 2014 [–]

It's stable across devices and sessions – if you have a cell phone and a tablet, the UID is the same and it won't change over time even as you move around their network.

dzhiurgis on Oct 24, 2014 | [–]

In some sense having one ID instead of two unique IPs is better?

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