Pretty awesome. I'd like to try it, but that would be the day it's not working! Here’s What Amazon Has Learned in Its First 3 Months Running a Store With No Cashiers – Adweek

Here’s What Amazon Has Learned in Its First 3 Months Running a Store With No Cashiers – Adweek
http://www.adweek.com/digital/amazon-is-finding-it-must-learn-about-its-customers-to-succeed-in-retail/