That may be true today [Google having the most comprehensive index of any search engine], but it probably won’t be true next week (check back here then)
Is there another search engine coming to the market that is even better than Google?
It's pretty close to impossible for a newcomer to suddenly index more of the web than Google. It's gotta be Yahoo or Live. The question is which one? And how'd they do it?
One of the TC commenters suggested that it's due to MSFT indexing facebook ...