BALTIMORE -- Inside a drab computer lab at Johns Hopkins University, a team of researchers is trying to build something that has never existed before: a digital currency that changes hands completely in secret. Its name is Zerocoin.The untraceable currency is designed to compete with other ...

Charter's bid to buy Time Warner Cable comes at a time of sharp and rising competition in the broadband Internet and pay-TV business. For the consumer, that promises faster and faster Internet speeds and more and more high-definition channels.It means further advances toward "TV everywhere," ...

NEW YORK -- Look around. Many of the gadgets you see drew inspiration from the original Mac computer.Computers at the time typically required people to type in commands. Once the Mac came out 30 years ago Friday, people could instead navigate with a graphical user interface. Available options ...

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LAS VEGAS -- Gadget lovers are slipping on fitness bands that track movement and buckling on smartwatches that let them check phone messages.Some brave souls are even donning Google's geeky-looking Glass eyewear.For the technology industry, this is exciting time, but also a risky one. No one ...

We're no longer just strangers in a crowd.Imagine any street corner in any town where, let's say, four people -- Alexandria, Larry, Cory and Cameron -- are lost in private thought.Without a single conversation, without even knowing their names, we could learn that Alexandria's angry ...