Today, the Sprint version of the flagship Gingerbread phone, Samsung Nexus S 4G got the 2.3.7 update. This updates fixes a few bugs, but who cares about bugs! It adds Google wallet. Google Wallet as you may know is just a version of NFC. You can pay wirelessly at stores with Paypal, MasterCard and other cards.
Nexus S 4G gets 2.3.7 Gingerbread update; adds Google Wallet