Larry Page and Sergey Brin.
Planet Google was created in 2008.
Google Notebook was created in 2006.
Google eBooks was created in 2010.
Google Play was created in 2008.
Google Offers was created in 2011.
The Google Book was created in 1913.
Google Hacks was created in 2003.
Google Videos was created in 2005.
Google China was created in 2005.
Google Answers was created in 2002.
Proceratium google was created in 2005.
Google Buzz was created in 2010.