In 1982, telephone monopoly "Ma Bell" (AT&T) was broken up into 7 independent telephone companies known as "Baby Bells". It didn't take too long before all these companies "congeal" back into larger entities.
Free Press has the visual guide on how Ma Bell was broken up and then came back together again: http://www.freepress.net/content/atthistory
The Death Star is Back - Where's Hans and Luke?
Nobody asked me if I wanted to be owned by the Dark Force!?!