One could remove junk food to the back of the store and ban them from the shelves at checkout lines.

Stacked near the checkout counters, and as colorful as a Fisher-Price toy, is a not-so-serious-looking power tool: a battery-operated saw-and-drill combination.

From self-service checkout lines at supermarket to industrial robots armed with saws and taught to carve up animal bodies in slaughter-houses, these ever-more-intelligent machines are now not just assisting workers but actually kicking them out of their jobs.

Granted, these producers'avings probably translate into lower prices at the grocery store, but how many consumers make that mental connection at the checkout counter