IDEN
Integrated Digital Enhanced Network (iDEN) is a mobile telecommunications technology, developed by Motorola, which provides its users the benefits of a trunked radio and a cellular telephone. It has been called the first mobile social network by technology industry analysts.
IdenTrust
IdenTrust is a bank consortium acting as a public key certificate authority and secure applications provider whose members include over sixty of the largest banks in the world.
Very interesting!