Google, Yahoo, Bing add new features designed to dazzle new users - - The Boston Globe

Check the full review for more details and a video overview

"Each innovation is quite different from the others. Google’s new Knowledge Graph delivers instantaneous bursts of practical information; Bing’s Sidebar makes searching more social by linking to Facebook and Twitter; and Yahoo’s Axis generates a browser within a browser to display an instant visual summary of search results.
At first glance, Knowledge Graph seems the least seductive of the lot. But run a few searches, and the romance begins. Do you wonder why Google records and analyzes billions of our searches? So it can figure out what most people really want to know when they type, say, “Museum of Science Boston.”"

Google, Yahoo, Bing add new features designed to dazzle new users - - The Boston Globe