By Stephen Cass, Technology Review
Computing has becoming increasingly polarized, with many hardware and software efforts focused on either small mobile devices or vast data centers. 2011 saw the personal computer continue to be marginalized. Although PCs are still the workhorse computing device in homes and offices, the most exciting innovations over the last 12 months were centered on very small-scale computing, very large-scale computing, and networked combinations of the two.
http://www.technologyreview.com/computing/39405/?p1=A2
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