Related topics: facebook · google · social networking · iphone · twitter

Facebook reveals new security tool

Facebook announced Tuesday it has been using a new security tool to help detect and remove malicious software for users of the world's biggest social network.

Smartphones, Twitter help gauge crowd size

Data from smartphones and Twitter can accurately show the size of a crowd, helping first responders in an emergency, a study on Wednesday said.

Facebook rolls out video calls on Messenger

Facebook on Monday began rolling out video calling on its Messenger mobile application, enabling face-to-face conversations among users of the app around the world.

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