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> But that would require some kind of physical tracking system...

Package RFID tags with every item, and a smart fridge/smart cabinet. It's not that hard.

A retailer like Walmart might even pay for the manufacturer to install these RFID tags, as they can be used double-duty in the retailer's own inventory process.

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Or, you can do what I do -- a barcode scanner near my trash can that scans the UPC codes of everything that I throw away (or recycle) and adds it to my shopping list for the next time that I'm out.

Are you the guy who runs the Oscar github repo?

https://github.com/danslimmon/oscar

You still have to make the effort to scan it though, right?

This is pretty clever. Where is your database of UPCs coming from?

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