Greg Crisp

Technologist. Pragmatist.

Tag: iPhone

U DID, but now you don’t

Every iPad and iPhone has a unique identifier, or UDID (Unique Device IDentifier), a 40 character string that is hard-coded to each, individual device.
It looks something like this:
a004e3409a473b2034d899d246…
Since the early days of iPhone development, it’s been common practice for developers to use the UDID to associate devices with end-users, and for use in analytics, security, [...]

Three Weeks with the iPhone

I’ve been a Blackberry user for five years, across three different devices, including the old two-way pager. I’ve been interested in the iPhone since its release, but without real Exchange support, the first iPhone was not an option. Then it became a personal challenge to keep my Blackberry alive as long as possible. When the click-wheel finally broke, it was time to make the switch.