Consultant Gregor Berkowitz and Dan Saffer of Smart Design offer differing viewpoints on whether consumers benefit from multipurpose or single-purpose devices. "Web-connected products that run on apps -- and these now include smartphones, tablets, laptops, set-top boxes, game consoles and even televisions -- are revolutionizing consumer electronics," Berkowitz writes. In contrast, Saffer counters: "There are just some things that single-purpose devices do best -- and some that multipurpose devices can't do at all."

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