Google Wallet for iOS today received its first update following its initial September release. Version 2.0 of the app adds a new feature that allows people to use the iPhone's camera to snap pictures of credit cards and debit cards, entering information like card number and expiration date into the app automatically. The app has been updated to support single sign-on, letting app users who have other single sign-on Google apps installed sign in to Google Wallet automatically. The physical Go
