The "it's that simple" app has added profile options and trending topics. more
Viber, a messaging app, has passed 100 million active users and 350 million unique registered downloads. more
Twitter users can link their accounts to Amazon and use "#AmazonCart" to place items in their virtual shopping baskets. more
Facebook is preparing to roll out a new feature intended to protect user privacy. more
WhatsApp, the rapidly growing messaging service bought by Facebook, has passed 500 million active users. more
Only 13 percent of the service's users have sent 100 tweets or more, but that might not necessarily be a bad thing. more