“iGoogle”, is the company’s fastest growing service along with e-mail. Google won’t specific how many people use iGoogle, but says the number is in the millions.

iGoogle, is the customized homepage given to users.

Google began to add more fan-fare to its famously plain home page, nearly three years ago when it offered its users the option to include stock quotes, weather forecasts and other features.

Google last year introduced its first set of skins for iGoogle, which were internally developed and consisted of mostly simple landscapes.

The emphasis on graphics illustrates Google’s evolution from, a once-pure Internet search engine, into an all-purpose Web site that offers e-mail, video, news, photo sharing, instant messaging, shopping and mapping services…..and the list goes on…

Know more : http://www.google.com/artistthemes