Is the Single-Function Device Doomed?

If you build a better mousetrap, will the world instead beat a path to the door of the guy who makes a combination leaf blower, weed whacker, vegetable slicer, and mediocre mousetrap?

Source: http://feeds.pcworld.com/click.phdo?i=0a073c1455103de4a58fcc20f3a2d81f

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