https://medium.com/@LanceUlanoff/apples-macbook-air-once-again-the-macbook-you-want-b430b960c2d9

A decade ago, Steve Jobs pulled off what might have been his ultimate bit of showmanship, slipping the first MacBook Air, then the world’s thinnest notebook computer, out of a manila folder and into his hand. He held it aloft, grinning like he, too was marveling at its impossibly thin chassis.

At its thinnest point, the MacBook Air was just 0.16 inches thick, the iconic wedge design, flaring to three quarters of an inch at the back of the device. The introduction of that sub-3-lb portable spawned myriad copy-cat designs. I still remember a competitor bringing his own new ultra-thin laptop to my office inside another manila folder.