scubacuda writes "Business Week has an article on some of the challenges Google faces as it gains popularity. For a while, things were looking good: unobtrusive ads, a hardware search appliance, and the fact that 'google' has become a verb (like xerox, kleenex, hoover, etc.). Now, Yahoo! has dropped the 'exclusive' part of its contract, Overture won a series of key contracts, Verity has announced a deal to purchase Inktomi's assets, and Y! announced it was buying Inktomi's web-search business. And other engines such as WiseNut, Teoma, and FAST now mimic Google's 'popularity placement technology.'"