North America
U.S. authorities probe bitcoin exchanges over illegal transactions: WSJ
Several bitcoin exchanges including the now-defunct Mt. Gox received subpoenas from Manhattan federal prosecutors this winter as they look into possible ties between the exchanges and the online drug market Silk Road, the Wall Street Journal reported on Monday, citing people familiar with the matter.
Facebook to roll out 'I'm a Voter' feature worldwide
When Americans voted to renew President Barack Obama's lease on the White House in November 2012, more than 9 million citizens took to Facebook to click the "I'm a Voter" button, showing their online friends that they had cast a ballot.
Apple strikes a new chord in the future of music
More than a decade ago, the late Steve Jobs pulled one of his trademark reality distorting maneuvers, browbeating music label executives into selling songs on Apple Inc's then-nascent iTunes digital store for a mere 99 cents apiece.
Facebook developing video-chat app to rival Snapchat: FT
Facebook Inc is developing its own video-chat app, known internally as Slingshot, after its failed attempt to acquire mobile messaging startup Snapchat, the Financial Times reported on Sunday.