Apple Watch measures three aspects of movement. It uses the GPS and WiFi in the iPhone to help track distance. It will be available in three "collections" Watch, Watch Sport and Watch Edition starting at $349. I guess they're hoping you buy more than one. #NerdMentor
The 10 Best Apple iPhone 5s Accessories
The 10 Best Apple iPhone 5s Accessories. These 10 are what you should have along with a 5S or 5C.