I have an idea for an app but I need other people's opinion on it. I was at the store the other day and wanted just one item but I ended up leaving without it because the line was really long. so that's when i got the idea an app that you download on your phone and you scan the items barcode and you pay with it through the app and the money gets sent to the company. then when you exit the store you show the receipt checker the receipt on your phone or they scan a barcode to confirm that you purchased the item. amazon has a few store that you scan once when you enter then you grab whatever items you want then exit without a cashier and the store and it charges you for it, but that requires tons of cameras , monitors, and bar codes on every item to track everything. however my idea is that you scan the item your self and pay through the app and skip the long lines. so can you guys give me feed back on my idea and answer a few questions. would you download and use this app yourself? if you're an app developer is this idea possible. are there any apps similar to this already available?
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