While referencing both Apple’s iPad and MacBook Air as popular products people use—albeit with a need to alternate between using each for different purposes—Microsoft today introduced its new Surface Pro 3, billing it as “the tablet that can replace your laptop.” Surface Pro 3 has a 12” display with a 3:2 aspect ratio and 2160 x 1440 resolution, a Core i3/i5/i7 processor, integrated USB 3 port, Mini DisplayPort,…