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President Barack Obama formally presents his cybersecurity proposals to the nation, but experts fear it's too little, too late to make a major impact on Americans' lives.
Office of the Indian prime minister changes its Twitter handle and won't give access to newly elected PM Narendra Modi.
commentary Even if the Obama administration mollifies angry photojournalists, the news media now has to earn its place alongside direct communications through Twitter and Facebook.
Twitter may not be able to easily monetize Twitter diplomacy, but it's emblematic of how much influence 140 characters and broadcasting across the Internet can have.
Already hip to Twitter's Vine, President Obama's administration has embraced Facebook's service for sharing photos and videos.
In a Google+ Hangout, the president says entrepreneurs need more protection against people who try to "extort" them.
President Barack Obama is holding a fireside chat on Google+ tomorrow to answer questions from the public.
The veep will join social-media guru Guy Kawasaki and others in a Hangout to discuss ways to reduce gun violence.
A comet set to pass by the Earth could be the brightest in memory, and it's not the only one coming for a visit next year.
The president answers a few (carefully selected) questions during the digital session. No word on whether the political opposition is moved to change its position.