Stay away from the middle of the grocery store. Seriously. All of the actual food in grocery stores is around the outer perimeter of the store, regardless of which grocery store it is. Veggies, fruits, meats, dairy products... the non-processed stuff that you should be primarily eating.

Agreed. I've been looking for anything to improve the picture quality of my Moto X–which I have been a bit unimpressed with so far (came from an iPhone 4s that I think took better pictures). Until I can reassign the twist gesture though I suppose it doesn't matter, as I do use that feature all the time.