Featured in smartphones

Your iPhone already tracks your steps. What if it tracked your mood, too?
Charge your lithium-ion battery devices for maximum longevity
Everything you need to cure your smartphone addiction
How to share your location without broadcasting it to strangers
Use your phone to master the game of chess
4 ways to keep your Android phone from dying when you need it most
Make your Android and Apple devices work together
How to take a screenshot on any device
How to find a lost phone
Your phone’s camera does so much more than take pictures