As I was flying to cover Google I/O early in May, I vowed to do some work on the plane. I pulled out my MacBook while in my economy window-seat. As a 6'4" guy, things were already cramped for my legs; I couldn’t put the 16-inch machine on the tray table, so it sat on my lap. I had no room to push the screen out properly, and when the person in front of me inevitably reclined, my laptop now was at a 45-degree angle and I was typing a word per minute while struggling to see the screen. I gave up a...