TOKYO (Reuters) - Japanese office worker Satoshi Tada pays for shopping, wins free food and gets store discounts all by waving his cell phone. "I use it pretty much every day," the 25-year-old said.
Japanese office worker Satoshi Tada pays for shopping, wins free food and gets store discounts all by waving his cell phone. "I use it pretty much every day," the 25-year-old said. "You can charge ...