Bing Adds Features Including Results from Wolfram Alpha

In an effort to sustain Bing's early momentum, Microsoft is adding new features, including local weather and events and results from Wolfram Alpha, a Web service that specializes in answering questions.

Source:
http://bits.blogs.nytimes.com/2009/11/11/bing-adds-features-including-results-from-wolfram-alpha/?ref=technology