Preparations had to be made now, cause when internet was founded in 1977 there were only 4,2 bilion addresses available under the internet protocol version four (IPv4) system. With the rapid expansion of broadband across the world, it is estimated that these addresses will run out by 2010.

Japan already used a new system called IPv6 to connect thousands of earthquake sensors through a computer system that sends automatic alerts to television programmes and turn traffic lights red. this new system are 128 bits long and so provide a possible 340 trilion, trilion, trilion address space.

wow…

Source : Telegraph.co.uk

Wallet phone is a new innovation from Japan. The technology relies on FeliCa, a tiny computer chip which communicates with a reader-device at stores, train stations and vending machines for cashless payments. FeliCa was developed by a big company, Sony Corp.
Wallet phones have been available since 2004 in Japan, but it had compatibility problems with other global standards. Now, the new third-generation technology allows new product to be used globally.