The US Patent Office has granted Apple a patent for NFC-enabled "on-the-go shopping lists," as reported by Engadget. The patent shows a unified interface allowing iPhone users to compare product prices and features after entering a UPC code, scanning the barcode, or tapping an NFC tag. After a product is added to Apple's shopping list, it can be located at a physical retail store using a "trace depicting a route between the user's current location and the selected retailer."
Perhaps more interesting than either NFC support or physically located products, though, is Apple's claim to a smart shopping list that reorganizes itself based on location data. The claim says:
[A] partial shopping lists is determined based on the number of stops...
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