Every so often, a device comes along that changes the way we live our daily lives and things are never the same again. With today's digital technology, such devices may come more frequently than in the past, but our list revolutionary gadgets extends back two centuries.
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If there's a theme to these gadgets, it's portability. In 1979, Sony revolutionized our expectations of how we relate to music by giving us a way to have our choice available wherever we were, without having to rely on the radio. As with other devices on this list, the Walkman and the tape cassettes it played are almost obsolete now, but they laid the foundation that today's MP3 players could build on.
Google in the Enterprise SurveyThere's no doubt Google has made headway into businesses: Just 28 percent discourage or ban use of its productivity products, and 69 percent cite Google Apps' good or excellent mobility. But progress could still stall: 59 percent of nonusers distrust the security of Google's cloud. Its data privacy is an open question, and 37 percent worry about integration.