6 gadgets that could save your life

You probably remember your mom and dad admonishing you about your posture as a kid. Now you can replace them with a strap-on sensor. The Lumo Back device straps around your torso and measures the angle at which you're sitting, buzzing to remind you when you're in an unhealthy slouching position. The sensor also tracks your sitting time, counts your steps and times your sleep, though for now, you'll have to remember to eat your vegetables on your own.