I was Browsing youtube about some unmanned store which i saw on facebook and the idea of it
is great for bitcoin and the store is completely run by you, your phone and an app.
here's the link:
https://www.youtube.com/watch?v=ShNL3oU4Mi0Good concept. But there are certain flaws which needs to be rectified:
1. The customer's purchases should be thoroughly monitored and later checked while going out of the store.
2. The discounted items should be stacked separately so that the customer may not confuse and pay twice for a product which might be at a discount.
3. There should be a bill handed over in case tax collectors want to verify some of their expenses.