Only in Japan: The best technologies you can't buy

Just a few years ago Japan's lead in all things digital was easy to see. Japanese
consumers could buy new domestic gadgets from companies like Sony,
Toshiba, and Panasonic,
often a year or two before they hit the market in other countries. But now things
have changed. With gadgets increasingly coming out at the same time around the
world, it's no longer the hardware that makes something cool, but what you can
do with it.

Mobile Digital TV

Take OneSeg,
Japan's mobile digital TV system. The entire electronics industry, TV broadcasters,
and the government all agreed on a single broadcasting standard, eliminating
the technical competition that's holding back such services in the United States
and Europe.

The result is a popular service that features all the regular terrestrial channels
at no cost. Already, 14 million cell phones with the service have been sold,
and the sight of people watching TV is becoming more common on trains and in
cafes across Japan.

The latest phones also allow you to record TV shows. And if you're in a public
space but forgot to bring your headphones, it's no problem. A couple of button
presses brings up the subtitles so you can enjoy the show with the volume turned
down. In addition, a companion data service provides information about the current
show, promotions from the broadcaster, and, often, a link to the TV station's
mobile Internet home page.

Mobile Wallet Service

Something else that's popular in cell phones these days is the "Osaifu
keitai," the mobile wallet service. Phones have smart cards embedded
inside, and these cards let you add applications like electronic money, your
commuter pass, an airline mileage card, or a credit card just by downloading
some software.

The strength of Japan's mobile wallet system is that the industry has settled
on a single smart card, Sony's Felica. Once a person's phone has this hardware,
he or she can add more functionality with software.

NTT DoCoMo, Japan's largest cellular carrier, gives all its customers an electronic
credit card application called DCMX Mini. It has a 10,000-yen ($94) credit limit,
and charges appear on the phone bill. Big spenders can apply for more credit
and use it just like a regular credit card. All you have to do is bring your
phone within an inch of the reader and the transaction can be completed.

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