But what's this? While you were out, IT replaced your old-and-busted PC with the latest and greatest. The PC is a blank slate, and it's unaware of your data or settings. No worries. Just drop your phone on the desk, and the system instantly implements your settings and begins downloading your work documents from the cloud.
While all this is happening, a co-worker walks in talking smack about the game yesterday -- and the ill-advised bet you lost. You owe him $10, so you both pull out your phones. You launch an app, type in the number 10, and tap the phones together to transfer the money.
All this has taken place without a single password or credit card.
The magic happens when you can combine a biometric ID system (which uses some kind of scan from a smartphone to verify that you're actually in possession of the device) with a secure short-distance wireless communication technology that other devices (cash registers, PCs etc.) can read.
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