Kakao Talk unveils digital content shop

(AP)—Kakao Talk, a popular mobile messenger in South Korea, will launch an online music and electronic book shop next year as it continues to grow beyond its original mission to provide a simple messaging service.

Suit filed in US over Twitter feed in test case

A former blogger for a US mobile phone news site is being sued by his erstwhile employer over ownership of his Twitter feed in a social media test case for the Internet age.

Tweeting, more than just self expression: study

(PhysOrg.com) -- From CNN to Ashton Kutcher everyone is tweeting. In ads, many companies now display the logo of an animated blue bird holding a sign that says "follow me."

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