Google Wallet got off to a rough start. Carriers didn't want to support it for various reasons, it only worked on certain devices ... it was really just a big mess. As time passed, it didn't get much better, either. Today, however, Google is looking to change everything when it comes to Wallet. It's rolling out v2.0 of the app that brings a slew of new features, as well as making it available for basically all Android phones running Gingerbread (2.3) and higher.

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