A new app that coaches you through Thanksgiving dinner, and looking at the science behind the meal.

Even when certain apps aren't being used, they collect a lot of information about users.

Foursquare is adding Yelp-like recommendations to its mobile check-in app in its latest attempt to find a way to make money.

A wee little program that lets you send photos from your cell phone to your pals is worth a billion U.S. dollars. That’s the price the social networking company Facebook is paying to snap up Instagram, an app that also lets the sender mess with the photos before sending them.