Google turns 10: A look back

Google indexes more than a billion Web pages to become the world's largest search engine. In June, Yahoo inks a deal for Google to supply its search results for four years - a fateful move for Yahoo, which waits until 2002 before investing big on its own search technology. In October, Google launches AdWords, which sells text-based ads next to search results.

Did you know? Google makes its first foray into mobile by putting its search engine on Palm handhelds.

Employees: Less than 150

NEXT: 2001: Adult supervision