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Why would anyone want a grocery cart to follow them around? The warning feature goes too far. If I want something "not on my list" so what? It is none of the gadget's business what I buy listed or not. This is carrying "big brother" way too far. the next thing you know, it will know your medical history and stop one from buying an item that isn't on your diet, that may not be on your diet, suppose you were throwing a dinner party and were buying itmes for it and some weren't on your diet would it say ala the "Lost in Space" robot "Danger, will Robinson, danger" and alert the store you were buying off your diet?
How would it know to follow the right person around the store? What if it were a couple, which one would it follow if one of them went to another aisle to pick up an item?
More reasonable would be to have your own tablet loaded with this particular location's layout so you don't have to go up and down ailses looking for a particular product or having to go back to aisle 1 from aisle 10 because that is what's next on your list. Load you rlist on it at home, but without audible warnings that that item is not on the list!
This is back tot he smart refigerator buying thins because they are out in thhat particular machine. We kept our old functioning refigerator whe it was replaced, It is used for items that are used often enough to warrant buying more than one itme at a time--eggs, juice...one wouldn't want the primary unit ordering more eggs just because its egg bin was empty when in the old unit we have 4 dozen awaiting thier time in the spotlight, so to speak.
In other words just because it is possible, doesn't mean it is needed or wanted! Bah Humbug!
