PC World - The U.S. Department of Justice confirmed on Thursday that it is investigating a settlement involving Google Book Search for possible antitrust violations, following months of speculation that the agency had its eye on the service.

PC World - In the past eight months, Ask.com has unfurled a set of changes to its search engine that the IAC unit calls a success, although its share of U.S. search queries has actually shrunk during that time period.

AFP - Microsoft is integrating messages from prominent users of Twitter, the hot micro-blogging service, into the results generated by its new Internet search engine Bing.

NewsFactor - Bing is now doing Twitter. The recently launched Microsoft search engine is now allowing users to search for various kinds of real-time data, including tweets from Twitter.