"NTT DoCoMo that combines the mobile Internet with smart card technology called "FeliCa cards." The new mobile phone service developed by Sony Corp. starts on a trial basis in Japan from Dec. 17, enabling cell phones embedded with the computer chip work as concert tickets, identification cards and electronic wallets.

In one service, users download a concert or movie ticket from a mobile Net site, paying with a credit card. The user brings the mobile phone to the theater for quick prepaid entry."