Samsung acquires US medical imaging company

South Korea's Samsung Electronics said Tuesday it had bought US medical imaging firm NeuroLogica, as it seeks to explore new growth sources by expanding into the health sector.

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."