"Revolutionary" is a term that the tech industry likes to throw around. A case in point is last week's announcement of Lytro, a type of camera that promises to eliminate the need to focus on a subject before snapping a picture.
We offer the fine folks at this startup our best wishes, but we can't help but be skeptical. After all, we've heard bold predictions of revolutionary impact before, and the results haven't always been pretty. For skepticism's sake, let's review 12 ballyhooed tech revolutions that didn't pan out.
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