Sometimes it’s hard to tell exactly how fast technology is moving. “We put a man on the moon using the computing power of a handheld calculator,” as Richard Hendricks reminds us in Silicon Valley. In 2017, I use my pocket supercomputer of a phone to tweet with brands.

But Apple’s iPhone X provides a nice little illustration of how sensor and processing technology has evolved in the past decade. In June 2009, Microsoft unveiled this:

In September 2017, Apple put all that tech in this:

Well, minus the tilt motor.

Microsoft’s original Kinect hardware was powered by a little-known Israeli company called PrimeSense. PrimeSense pioneered the technology of projecting a grid of infrared dots onto a scene, then…

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