A successful financial coming-out for Facebook could be significant for Internet players like Twitter
Twitter CEO Costolo says political candidates will need to use the popular social network to win elections
Google exec contends users still retain control, and private information remains private
After Google+ got Angry Birds last August, Facebook follows up on Feb. 14
Google+ adds safeguards to help protect teenagers on social net, Hangouts
With no opt-out option, Google plans to combine users' data across services
Solar flare causes significant radiation storm but experts say most communication systems are unaffected
Social networking accounts of lawmakers could be targeted in big election year
