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.
Developments in small-scale computing, in the shape of consumer mobile hardware such as the iPad2 tablet or Galaxy Nexus smart phone, were naturally the most visible. Most of these lightweight devices use ARM-based chips, prompting Intel, best known for its desktop and laptop processors, to develop prototype smart phone and tablet devices that will almost certainly herald the arrival of new challengers to Apple's iPad and iPhone in 2012 and 2013.
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