I understand the reasoning behind the Feds decision to breakup the AT&T monopoly, and on January 1st of 1984, AT&T's local operations split into seven independent Regional Bell Operating Companies (you've heard the term 'baby bell' right?).
Since then, the telecom industry has slowly been playing a game of renaming, mergers, partnerships, and takeovers. In fact, what was left of AT&T after the breakup and a failed business segway into computer systems, ended up getting purchased by one of their own spin-offs.
