On the rightmost end of the couch, sitting close enough that Steve could have kicked him with his outstretched leg, was Bas Ording, a designer on the HI team. Bas possessed genius-level skills in illustration, animation, and demo creation, and his deftness contributed much to the intuitive feel of iOS devices. When we needed a way to move up and down a list of items on a touchscreen device that didn’t have a mouse or arrow keys, Bas created inertial scrolling, the system of finger swiping that speeds up as you scroll repeatedly, glides to a rest when you stop touching the screen, and
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