Instagram Direct lets users privately send photos and videos in what is widely considered a shot at trendy messaging app Snapchat.
Twitter said the new capabilities won't increase the number of ads users see in their feeds.
Twitter's head of News -- Vivian Schiller -- reveals some of the thinking behind her company's news ambitions.
From Nelson Mandela to the Harlem Shake, Facebook recaps the year's most-discussed topics around the world.
Almost 2 million users of social networks should be changing their passwords, as stolen login credentials were found on a botnet server.
Some new features show a growing interest in keeping users informed
Google’s much-maligned social network is leagues above the rest when it comes to photo-sharing tools and privacy controls.
Syme, a service built by three students in Montreal, touts the easy-to-use encryption of its social network.
The ongoing battle over privacy is not confined to online. Besides security cameras and smart cars, cellphones are enabling retailers to track shoppers in stores.