When I think back back just a few years ago, there were only a handful of devices that noticeably responded to changes in their environment by sensing the presence of something or a change in position. Not that these were the only ones, but these were the ones that were part of my regular “consumer” interaction with the world in my daily life:
- Tilt sensors in game controllers then in tablets and smart phones
- Proximity detection for my smart phone turns the screen off when I have it up to my ear, or turns a light on at home when I enter the garage
- Heart rate monitors were catching on for working out with a wireless connection to a dedicated wristwatch for monitoring
- Automotive airbag deployment
More recently, there’s just been an explosion in these “consumer” devices—spurred in part by low-energy consumption solutions making battery-powered devices actually usable.
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