Google Wallet officially launched on 19th this month after being announced several months ago as a way for people to use their mobile phones to pay for goods. Google Wallet works on Near Field Technology (NFC). The Samsung Nexus S for Sprint Nextel is currently the only smart phone supported due to hardware limitations, but as phones grow more advanced, Google Wallet will become a better service for mobile payments. Google Wallet is taught to be the revolution in how we pay. As per the Google Wallet vision,
In the past few thousand years, the way we pay has changed just three times—from coins, to paper money, to plastic cards. Now we’re on the brink of the next big shift.