The thing is that all you need is a sticker on each piece of food with a unique QR code or an rfid tag containing all the expiration, source, and lot numbers. T

The thing is that all you need is a sticker on each piece of food with a unique QR code or an rfid tag containing all the expiration, source, and lot numbers. The consumer can just scan everything and get any necessary info about expiration dates and recalls if they want. Nothing very complex there and certainly doesn't require any fancy kitchen gadgets just a industry agreed on labeling standard.