The History Source on Instagram: "Did you know that tv remote controls used to be considered cutting edge consumer technology? Nowadays we hardly give them a second thought and expect it to come with a tv, but in the 70s companies made commercials just to promote the remote control, and a wireless remote was a big deal. Early remotes were bulky and limited in functionality. But one notable innovation was the Zenith Space Command remote from 1972, which used a mechanical system that produced ultr