Microsoft Live Search xRank was launched in September last year, but caught attention when it launched a way to track celebrities. It shows you a list of most popular celebrities based on searches for them. xRank keeps track of notable people and puts them in order for you. We count Live Search web searches for movie stars, musicians, and other famous people. Then, we compile our findings into an insightful ranking formula that tells you who the world is searching for most. The result is a cultural snapshot of who's hot and who's not!
In May this year, Live Search rolled out xRank Musician. Now you could get a top ranking of just music stars. “Both xRank Politician and xRank Blogger were part of the service as of the April 25 Wikipedia edit. So I'm pretty sure these things were just live. Microsoft just didn't mention them,” Wikipedia.