As digital technology increasingly responds to our behavior in realtime, the qwerty keyboard and other hallmarks of our analog experience of life may become relics of the past: “As a populous commercial precinct, the Web now changes in response to our individual histories with it. Like a party that subtly reconfigures with each new guest, the Web now changes its ads, interfaces and greetings for almost every user. Some people find this eerie. But it’s nowhere near as shiver-worthy as the discovery that digital ‘things’—apps carefully dressed as objects—change as we use them, too.”