NFC technology comes to the iPhone 4 thanks to the Japanese carrier SoftBank, which is offering Sony's FeliCa payment system for the iPhone 4. The system includes an NFC-enabled "seal" that affixes to the back of the iPhone 4 and is compatible with the official Apple bumper case. From the carrier's press release, the system functions independent of the iPhone, so you do not have to install specialized software for the system to work. Three different vendor systems will be available including those from WAON, Nanaco and Edy, a bitWallet solution. This NFC solution will be available for ¥2,980 (US$36) starting Fe
