LOS ANGELES (AP) — When Paula Symons joined the U.S. workforce in 1972, typewriters in her office clacked nonstop, people answered the telephones and the hot new technology revolutionizing communication was the fax machine.

Symons, fresh out of college, entered this brave new world thinking she’d do pretty much what her parents’ generation did: Work for just one or two companies over about 45 years before bidding farewell to co-workers at a retirement party and heading off into her sunset years with a pension.