Twitter has fewer users and less revenue than Facebook, but in mobile advertising Twitter appears to have dodged the problems that dragged down Facebook's stock after its public offering last year.
Snapchat is giving photos and videos captured with its app some longevity.
Hackers are exploiting the lack of security basics among social media, mobile devices and even in business, reports an IBM X-Force analysis
Twitter's new program lets you sign up for push alerts about emergencies, disasters, and public safety information.
Twitter's Amplify advertising program will now push out CBS content.
Facebook is moving ahead with plans to test a new mobile feature to entice more people to buy products while shopping on smaller devices such as iPhones.
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