If you like Android and want the virtual wallet-type services that Passbook offers, you will probably buy a Samsung product.

FORBES: Samsung Clones Apple's Passbook

All of the other device and payment companies emerging with their own virtual wallet products, which should happen in about 5 minutes.

FORBES: Samsung Clones Apple's Passbook

On it will be a virtual wallet provided by a firm such as Google, PayPal, Square or some company that hasn't been thought of yet.

ECONOMIST: Consumer banking

Since October MOL and Friendster have had a strategic partnership in which MOL agreed to provide a variety of payment services to Friendster users, including a virtual wallet and fraud management services.

FORBES: Magazine Article

Coinbase operates an online service that allows users to buy Bitcoin, store the virtual currency in a digital wallet and pay merchants for goods or services with it.

WSJ: Bitcoin Virtual Currency Start Up Gain New Venture Backers

At commercial launch, Google Wallet will support payments with two payment solutions: a PayPass eligible Citi MasterCard and a virtual Google Prepaid card.

ENGADGET: Google Wallet mobile payment service, Google Offers announced

"We're thrilled to expand our relationship with Zynga and provide an easy way for players to earn Zynga virtual game cash by learning about Serve and signing up to receive the many benefits of our digital wallet, " said Dan Schulman, President of Enterprise Growth, American Express.

ENGADGET: AMEX and Zynga team up for themed card, replace cash back with FarmVille rewards