According to the latest numbers from Nielsen/NetRatings, Google (NASDAQ:GOOG) continues to increase its share of search in the U.S. market. How long can Google maintain its search supremacy? Is (NASDAQ:BIDU) a serious threat to Google? What's Google's biggest weakness? Can shares of Google contine to climb? Is the company overvalued versus rival Yahoo! (NASDAQ:YHOO)? In this installment of Fool Video, I talk all things Google with Pulitzer Prize-winning reporter David Vise, author of The Google Story.