Microsoft has a trio of new Surface Pro 3 ads, and they all have the same goal: to prove Microsoft's ultra-thin tabletlaptop hybrid is better than Apple's MacBook Air. br br In one of the ads, titled "Crowded," Microsoft highlights the Surface Pro 3's versatility — unlike the Air, it has a touchcreen, a pen and it converts to a tablet. br br Another ad, titled "Head to Head," does a direct comparison between the two devices, while the third one emphasizes the Surface Pro 3's ports and power. br br Unveiled in May 2014, the Surface Pro 3 has a 12-inch, 2160x1440 pixel display, a detachable keyboard, a pen, 48GB of memory, 64-512GB of storage and runs on a range of Intel Haswell dual-core processors. br br It hit the U.S. June 20, and is slated to appear in 25 new countries on August 28.