A new study suggests that both step counts and minutes can be useful ways to track certain types of physical activity, such as walking, hiking and running.
Gifts for Mother's Day: What to Give Her Based on Your Sign womansworld.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from womansworld.com Daily Mail and Mail on Sunday newspapers.
With all the Internet spying going on out there, it seems like it would be easy to know who's viewing your Facebook profile. Lots of apps promise they can, but can they really?