App is vulernable to quick brute-force attacks on rooted phones. Near field communications (NFC) technology has been around overseas for over half a decade now, but it's finally jumping from the Asian market to the United States.
The technology allows you to wave your smartphone over readers to pay for anything from gas to groceries.

One of the key players in this emerging market is Google Inc. (GOOG). Of the major phone OS platform makers, Google has pushed the hardest to deeply integrate NFC. In May 2011 it announced a new payment app/service called "Google Wallet", which it launched in Nov. 2011.

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