Until then, there are going to be a lot of different form factors, all with very compelling features. Maybe it wasn't just convenient rhetoric. If your tablet uses smartphone hardware, and can dock into a notebook or Thunderbolt itself into a desktop, is all of this a lot of confusion before client computing moves entirely to smartphones? NVIDIA said it would happen publicly (even Intel did so privately a few years ago). Nearly every single Microsoft partner is mixing tablets and Ultrabooks. Take a step away from the Mac world and you'll see the rest of the market is going through its own confusing period. And thanks to Turbo Boost, you do get similar performance in lightly threaded workloads. Users who were once forced into Pro territory because of RAM and storage requirements can now happily live with an Air. You can now order a MacBook Air with up to 8GB of RAM and a 512GB SSD, for the first time in MacBook Air history. The MacBook Air doesn't help in the clarity department. It's not bad, in fact it's quite amazing, but it confuses the general order of things. It's a thicker, faster MacBook Air (with an awesome display). Add a Retina Display and now it's just tons of power. The MacBook Pro once stood for tons of power plus upgradability.

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