Google has kicked off a new era in payments with the formal launch of its mobile wallet service and the announcement of new co-operation agreements with Visa, Discover and American Express.
Initially, Google Wallet will be available only to consumers in posession of a Citi MasterCard (or prepaid card) and an Android-powered Nexus S from Sprint. As an incentive, Google is offering $10 on a Google pre-paid card to anyone who gives Wallet a try by the end of the year.