> I've occasionally thought that a robotic shopping cart would be cool.
> Set it up to follow a fob at a certain distance, say 2-3 feet and let
> it follow you around through the swap meet to carry your purchases.
Would have to have enough sensors and smarts not to run into/over stuff,
lest you forget to push the 'off' button before you step into some guy's
rows of stuff and it lunges forward and squashes some six-hundred-dollar
piece of '54 Corvette unobtanium he's got out front.
John.
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