Have you ever used Wolfram Alpha? It’s a fact engine. CEO, Barak Berkowitz, and he gives us a demo of what makes this service very interesting. He also covers the news. It is an online service that answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that might contain the answer as a search engine would. It was voted the greatest computer innovation of 2009.
Google vs Wolfram Alpha