There are many ways to find a lost or stolen cellphone. You can call the number and see who answers; you can use "Find My Phone" apps that track your phone's GPS. Or, if your camera phone automatically posts photos to your account in "the cloud," you can simply watch your photo feed and look for clues in the strange new images that start popping up. Just be prepared to see anything — like scenes from a cruise ship.
Before you sink into your couch, before you flip through channels tonight when you get home, take a minute to think about the guy who made being a couch potato possible:
Back in 1955, Eugene J. Polley invented the "Flash-Matic," or the world's first wireless TV remote control. Back then, you held it like a gun and it acted like a flashlight using visible light to trigger photo cells on the TV to change channels.
Polley, whose engineering career with Zenith spanned 47 years, died on Sunday. He was 96.
As part of a new tech segment, we're starting a social media advice column in which we'll ask experts your questions about how to behave online. This week's experts are Baratunde Thurston, former digital director of The Onion and author of How To Be Black, and Deanna Zandt, author of Share This!