Yahoo! joined the fray over smartphone photo-sharing Wednesday by making it more enticing for iPhone users to use its Flickr service amid a rift between Twitter and the popular photo app Instagram.
A software "worm" evidently unleashed by hackers burrowed through Tumblr on Monday, defacing pages at the popular blogging platform with a vitriolic, expletive-laden message.
New York's mayor has made no secret of his quest to have the Big Apple rival Silicon Valley as a high-tech hub.
Twitter co-founder Jack Dorsey said Tuesday he has turned over most operations at the high-flying company as he devotes more time to his other venture, mobile payments firm Square.
Facebook appears to have competition for teens' attention, and they're drifting to other social-media sites as evidence mounts that the growth of the world's largest social network is slowing.
The Big Apple may not have California's weather, but tech fans at New York Internet Week say that in every other way the city is on course to become Silicon Valley 2.0.
A US sex publisher which fought a long copyright battle with Google has sued the Tumblr social networking site claiming "rampant" illegal use of its photographs, court documents showed.
Google+, the Internet search giant's rival to Facebook, has a high-profile new member: US President Barack Obama.
US President Barack Obama added popular microblogging platform Tumblr on Monday to the Internet arsenal for his 2012 re-election campaign.
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