The Microsoft (NASDAQ:MSFT) Surface tablet has been widely criticized by many as being too expensive, as well as suffering from unimpressive sales. What has been largely overlooked is how instrumental the device was in driving Dell (NASDAQ: DELL), Lenovo, and others to make tablets that could compete with options from Apple (NASDAQ:AAPL) and those on the Google (NASDAQ:GOOGL) Android operating system.

In the video below, Fool.com contributor Doug Ehrman discusses how the Surface has been a key point Microsoft in turning an important corner and driving the current evolution of personal computing.

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