Complex sentence: In 1972, PR Newswire began using electronic terminals for copyediting, and in 1978 the company went fully digital with the adoption of the Associated Press' computerized message handling and transmission system.
Split into simpler sentences: In 1972, PR Newswire began using electronic terminals for copyediting. In 1978, the company went digital with the adoption of the Associated Press' computerized message handling and transmission system.