(Reuters) - Online media group AOL Inc on Wednesday reported first-quarter revenue grew on strength in its advertising business, but shares tumbled on concerns that profits were still mostly coming from a shrinking dial-up platform. "The core issue with this company is can they make content profitable?" said Ben Schachter, an analyst with Macquarie Research. "What you see every quarter is the only thing making money is the membership group. They are clearly going in the right direction but we want to see more progress."

News website The Huffington Post will launch a German edition this year, the US-based company and its media partner Tomorrow Focus, part of the Burda publishing group, said Monday. A newsroom staffed with German journalists will be set up in the southern city of Munich in the coming months, and the site for Germany, Austria and Switzerland is set to go live later this year, both companies said.

Reddit on Monday apologized for being a rallying point for online witch hunts as amateur sleuths used the social news website to expose the people behind the bombing at the Boston Marathon. "Though started with noble intentions, some of the activity on Reddit fueled online witch hunts and dangerous speculation which spiraled into very negative consequences for innocent parties," Reddit general manager Erik Martin said in a blog post. "We all need to look at what happened and make sure that in the future we do everything we can to help, and not hinder, crisis situations."