Google Conference
I saw a Google conference called I/O, in which, developers go and present their ideas and projects that are promoted by google. This year, there were a lot of good and innovating ideas, they introduce a new way to pay, Customers will walk in a store and say, "I'd like to pay with Google," and the cashier will see a photo of the customer and their name on their point-of-sale system. Here is a video, explain this great idea.
