4. Google
Personalization: Stars, Homepage background
Social Search & Realtime Search integrated
Google Instant & Instant Previews
Google Images, new look
Encrypted Search https://encrypted.google.com/
Google Squared http://www.google.com/squared/
Public Data Explorer http://www.google.com/publicdata
Experimental search http://www.google.com/experimental/
5. Bing
Bing Mobile
Bing Images, new look
Bing Movies http://www.bing.com/movies
Bing Social Layer http://www.discoverbing.com/facebook
Visual Search http://www.bing.com/browse
New Webmaster tool http://www.bing.com/webmaster
6. Yahoo!
Enhanced Search Assist
Yahoo! Clues http://clues.yahoo.com
“Bing Overtakes Yahoo! as the #2 U.S. Search Engine”
7. Ask
“Providing the best question answering service
available”
Question of the Day http://www.ask.com/questionoftheday
Community http://www.ask.com/answers
8. New stars
Slash the web! a better way to search the web
More instant answers, less spam with real privacy