Tillless thinks that retail is changing, and changing profoundly, and Matthew will be talking about a couple of emerging technologies that can help retailers keep up. Just about every shopper now has a smartphone, so why not make use of that in your retail process? Smartphones enable self-service checkout, and proximity technologies like iBeacons are a very effective way to bring new levels of engagement. But what if you could combine these technologies to help you sell in locations, or at times, that were previously impossible?