Just went food shopping and was thinking about how cool it would be if supermarkets kept track of your purchases via a club card or something similar. I know they semi do this already, but if the data was stored and analyzed correctly, it could lead to Amazon.com-like recommendations for other food, recipes, deals, etc. They could even warn you when they’re going to stop carrying a product you always buy. I know I’d go and stock up.
Seems like a golden opportunity to me.















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