SEC warns of rise in risky email stock schemes

US market regulators warned Wednesday of a rise in spam email and social media-based stock promotions that are actually "pump and dump" schemes aimed at cheating small investors.

Texting turns 20, LOL

It's been an especially fruitful week for rueful lamentations about "kids today." Monday marked the 20th anniversary of the text message. Along with it came the predictable chorus of bellyaching about the demise of literacy, ...

Twitter clocks half-billion users: monitor

Over 500 million people are on micro-blogging site Twitter and Americans and Brazilians are the most connected, according to a study by social media monitor Semiocast released Monday.

Twitter CEO says company has 'a truckload of money'

Twitter Inc. Chief Executive Dick Costolo said the short message social network has a "truckload of money in the bank" and would remain a private company for as long as it wants.

Twitter study reveals explosion in Arabic 'tweeting'

The popularity of Twitter has soared in the Arab world over the past year, a study published Thursday revealed, reflecting the key role of the social networking site in the "Arab Spring" revolutions.

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