Ok this shit is just plain mental, and I mean that In the Best Possible way. You scan your phone which identifies you, then just walk around, throwing in whatever you want into your bag. Walk right out the door without interacting with anyone or anything and you get billed as if you ordered something online. In the video they very loosely explain how it all works and I still dont get it, all i get is that this is a definite game changer if it goes well. check it out