Yahoo passes Google in search index

When people need to search they will likely to use Google and even use the word "To google" to mean using Google search engine. Yahoo announced on its Yahoo! Search Blog that its search index is now over 20 billions items which comprise of 19.2 billion web documents, 1.6 billion images, and over 50 million audio and video files. That's almost twice the 11.3 billion Google index items. Associated Press observers had previously pegged Yahoo's index at just 8 billion items.