Okay, that was fast. This weekend I put up my annual prediction post, Seven Technologies That Will Rock 2011. Already, one of them is already looking pretty solid: Prediction No. 4 on the rise of mobile wallets. Let’s revisit that prediction:

4. Mobile Wallets: If you could use your cell phone as a credit card, would you? Everyone from Apple and Google to Nokia want to make that a reality and tap into the mobile payments market. Both Apple and Google are exploring this opportunity. Google bought mobile payments startup Zetawire to gain experience and the latest Android phone, the Nexus S, comes with an NFC chip—the same kind that is embedded into credit cards and lets you pay by waving it over a wireless reader. The iPhone 5 also may come equipped with an NFC chip, and Apple was sniffing around mobile payments startup BOKU last year for a possible acquisition. It is going to take more than just NFC chips in every phone to make mobile payments a reality, but efforts by the major players this year should begin to move the needle.

Well, it looks like Google (and PayPal) are getting serious about NFC technologies. Today, Businessweek reports: