Revenue

99% of Google's revenue is from its advertising programs. In 2006, Google made $10.492 billion in advertising and only $112 million in other products/services. Google is able to precisely track users' interests across the internet using DoubleClick and Google Analytics. Google lets Web advertisers display advertisements in Google's search results and the Google Content Network, priced with either cost-per-click or cost-per-view. With Google Adsense, website owners can also display ads on their own sites, and earn money every time ads are clicked.

Currently, Google is the most widely used search engine in the world, with a 53.6% market share. In February 2002, google launched its Google Search Appliance, which provides search technology to large organizations. As for the smaller document repository, Google launched the Mini in 2005. Google began selling Custom Search Business Edition, in late 2006, providing customers with an ad-free window to Google.com's index. It was re-branded in 2008, as Google Site Search. In 2007, Google launched Google Apps Premier Edition, it's just Google Apps for the business user. It includes extra disk space for e-mail, API access, and premium support, for $50 per year.

HitWise, now lists Google accounting for 65.13% of all US searches for the four weeks ending May 26, 2007. This is up 10% over the past year.