In October 2013, DisplaySearch analyst David Hsieh first revealed that Apple would be introducing a 12" Retina MacBook Air in 2014. The report was quickly corroborated by the reliable Ming-Chi Kuo. It wasn't entirely clear at the time why Apple would choose to introduce a new 12" screen model, when their current lineup of MacBook Airs and Pros come in 11", 13", and 15" screen sizes. Analyst Daniel Matte, however, lays out a convincing ar