01/27/2012 03:56 pm ET Updated Mar 28, 2012

CNN To Trademark Its 'Magic Wall'

CNN has long featured technological gadgetry in its programming, but none has been as successful as its "Magic Wall," popularized by John King during the 2008 primaries. The multi-touch display has been so successful that essentially every other live TV news outlet--from ESPN to CNBC--followed in CNN's footsteps and has one or two, and use them with regularity.

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