Except that for normal usages at the application level, the UUID is generated by the app and placed in its private per-app storage, which is always erased on a factory-reset. To Andrew Allen: I strongly recommend factory-resetting your phone before you sell it, and also factory-resetting any phones you buy second-hand, just to be sure. Most people do this, for good reason. -T
On Sat, Jul 20, 2013 at 1:55 PM, Scott Brim <scott.b...@gmail.com> wrote: > On Sat, Jul 20, 2013 at 4:08 PM, Andrew Allen <aal...@blackberry.com> > wrote: > > Tim > > > > The quote is from RFC 5626 which also states: > > > > "3.1. Summary of Mechanism > > > > Each UA has a unique instance-id that stays the same for this UA even if > the > > UA reboots or is power cycled." > > > > Since the UUID in the instance ID is also static how is this > significantly > > different in terms of privacy concerns from the IMEI being used as an > > instance ID? > > You're not demonstrating that an IMEI is just as good, you're > demonstrating that a UUID is just as bad. >
