Gone are the days when shopping required visiting multiple establishments -- the butcher, the baker, the fishmonger. Now, we can find just about everything under one roof. But there are major changes underway in how we gather food -- including both high-tech innovations and the revival of some traditional ways of shopping. We take a deep dive into shopping trends -- from meal kits and in-store drinking and dining to no-frills shopping and self-scanning. What grocery stores do you gravitate to -- and why?