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Speaking of behavior modification via clothing (one proposed alternate use of materials which can read a body's state and perform first-aid as necessary), is there any way to determine whether or not clothing contains nanotechnology? It wouldn't seem far-fetched, then, to consider a pair of jeans which help you lead the life of happiness and joy as advertised in commericals, all thanks to nanotechnology on the part of the jeans manufacturer. Essentially, we're talking about modern-day, rose-colored glasses. If we can't taste, see, or feel nanotechnology, then I wonder if we're placing a lot of trust (too much?) in corporations, particularly in their ability to behave ethically...