Piggy banks

By 2020, only 10 percent of all monetary transactions will be in cash. Governments will likely support this trend; some 25 percent of the world's circulating cash is used for illegal activities. Electronic payment systems will replace our beloved coins and greenbacks.

Snail mail

Neither rain nor snow can keep letter carriers away today, but revenue will dry up for the U.S. Postal Service as we continue to trend toward electronic correspondence. To survive, the agency will have to scale back mail service, sending its fleet of trucks and carriers to join the Pony Express in mail-delivery legend.

Toilet paper

Toilet-seat bidets will wash and dry at the touch of a button, eliminating paper waste, greatly improving sanitation and adding a splash to one's daily routine.

Analog clocks

Our cellphones, synched perfectly to satellites, never forget to spring forward. The traditional dial clock and its mini-me, the wristwatch, will, alas, become retro novelties.

Business cards

Biz-card confetti still decorates professional conferences, but when today's batches run out, many folks won't reorder. Electronic "cards" will be sent phone-to-phone, at least for the next few years.

Gasoline pumps

When your car drives itself to a service station, it will be to plug in for a battery recharge or to fill up with hydrogen. Can't say we'll miss the pumps — or the fumes, the splashing, the pollution, the price ...

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