Microsoft Searches for Cause of Bing Outage

Microsoft’s Bing search engine suffered a half-hour performance failure yesterday, the same day the company rolled out a raft of new features. During the interruption, the site either didn't load or returned meager results to queries. “The cause of the outage was a configuration change during some internal testing,” an exec tells PC World, adding that the company is “running a postmortem.” (More Microsoft stories.)