Marketing is Business Driver for Mobile Wallets

Possibly the most meaningful impact that Google Wallet will have is on the advertising and marketing communities. Google offers will be Google’s application for deals, coupons, and offers that will inform you of promotions based on your location.

In that sense, the business case for mobile wallet apps will be location based advertising, the ability to view and compare the deals of local vendors, and coupons that do not have to be cut out of magazines or newspapers.

Local-targeted advertising will sound like Living Social and Groupon, and that's essentially correct.

Google shows mobile "payment" is about marketing