The 2012 campaign is quickly becoming the season of digital partnerships for legacy media outlets. In the latest such mashup, CNN and Facebook announced a partnership aimed at making Facebook the second screen for CNN election coverage. CNN is no stranger when it comes to experiementing with new technology. It’s hard to forget the network’s 2008’s election night coverage, when CNN’s Wolf Blitzer conducted interviews with holographic representations of rapper Will.i.am and CNN correspondent Jessica Yellin. For the 2010 midterms, the network also rolled out an elaborate “election matrix” that used its trademarked touch screens to break down races graphically and manipulate data, a tradition CNN’s John King carried over to this year’s primary coverage. Read the full story at AdWeek.