Even though Google started the whole mobile payment thing years ago with Google Wallet, it never really took off with the masses. Google's newly announced Android Pay, however, might. Instead of relying on you to load the app and unlock it with a PIN, Android Pay lets you simply tap your phone on an NFC terminal to approve the purchase. In addition, Google is also allowing Android Pay to be integrated in apps like Lyft, Grubhub and Wish, so users can easily use that to pay for things. I just used Android Pay here at Google I/O, and I can say this: If it's as easy to use in real life, then I suspect mobile payments are about to be a lot more ubiquitous.