The most interesting statistic however, was that while the top 10 searches were thousands of times more popular than the average search, these top-10 searches represented only 3% of our total volume. 97% of our traffic came from the long tail: queries asked a little over once a day.
Search is a long tail business and that is the source of its power and profit. Read Chris Anderson’s Wired article
Excellent Articles
Jason has another interesting post on the long tail of paypal
Chris Anderson has a website about the long tail