NPR Story
12:04 pm
Fri September 20, 2013

These Smartphone Apps Track Every Step of Your Day

"Quantified self" apps know where you are, how you got there (by foot, bike, or train), who you're with — even how well you slept last night. Ellis Hamburger, a reporter at The Verge, reviews a handful of apps that track your daily movements, such as "Human" and "Moves."