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Google has updated its Google Wallet application for the iPhone with a few notable enhancements. First, like it has added to its other apps on iOS as of late, Google now allows single sign-on for Wallet. This means that if you are signed in via Google to YouTube, Gmail, Adsense, or other compatible Google apps, you can be automatically logged in to the Wallet app. More interestingly, you can now use your iPhone’s camera to capture the data from your debit card or credit card to connect it to the app. Google added that feature to the Android app last month. Google Wallet recently launched a physical card program for Wallet. The update is free in the App Store.

* Instantly sign on to Wallet if you use other Google iOS apps supporting single sign on
* Add a credit/debit card just by taking a picture. Both the number and expiration date will be captured automatically.
* Use the Google Wallet Card to spend your Wallet Balance at millions of MasterCard® locations or withdraw cash at any ATM