Last week Apple started rejecting apps that access the Unique Device Identifier (UDID). Developers knew this was coming, but no date had been set for the official rollout. If you've found yourself ...

The UDID, or Unique Device Identifier, is a 40-character string that uniquely identifies a specific iOS device, similar to a serial number. The UDID has been used for many things in the past ...

A study conducted by mobile ad server MoPub claims that by rejecting apps which use UDID data, Apple is effectively cutting off around 24 percent of developer ad revenue. MoPub notes that because ...