Yahoo has announced that it's Yahoo Buzz site will shut down on April 21st. In the announcement the company said, "This was a hard decision. However this will help us focus on our core strengths and new innovations." Yahoo Buzz was released at the beginning of 2008 as a "new way for you to tell us (and the world) what you think is cool". Yahoo isn't the only search engine who hasn't succeeded with a social news aggregator - Google Buzz never got much attention either. Most people seem to favor Facebook and Twitter and the search engines couldn't compete.