[Q]:Generate Unique ID's

[Peter Hansen]

Yan Weng wrote:
> 
> well, MAC address is unique. It depends on the ethernet card, which is
> unique. So the location is unique.

Past replies in this thread have pointed out that while that's true
in theory, it is not in practice.

Also, it ignores situations such as dialup users with only PPP 
access, where there is only a virtual MAC address, and one that's
quite unlikely to be unique, AFAIK.

-Peter