With the advent of the next Nexus and Gingerbread, integrated a special technology that will allow you to make small payments in shops.
This technology called NFC (Near Field Communication), says Eric Schmidt at Web 2.0 Summit in San Francisco, will (by hooking the device chip to the number of credit card) to replace the card and overcome (at least in part) the problem of loss of the card.
Payment by mobile phone is nothing new (since Japan is a reality for some time), but who knows maybe that Android does not give the right push because this service is spreading in the West.
We'll see, stay tuned and waiting as they say stay tuned!