1973

• IBM PC - 10 Years Away

• Data Communication = A Tape Reel + US Mail

• The Phone Company - AT&T (Ma Bell)

• The Phone - Black, Leased, 12 Buttons

• POTS is 4 KHz - Like a 20s Movie

• A PBX - A Steel Box Full of Relays

• Made by Western Electric

Previous slide

Next slide

Back to first slide

View graphic version