Dereguleringen i USA har i 1970'erne været hovedbegivenheden på telekommunikationsverdensmarkedet, og den kulminerede med AT & T's opsplitning i begyndelsen af 80'erne.
The ' deregulation ' process in the United States has been the major event in the telecom munications world-market throughout the 1970s, culminating in the divestiture of AT & T in the early 1980s.