Web
2006-2009
2009-2010
2010-2013
2013-2015
2015-present
Mobile
2010-January 2015
January-September 2015
This logo was short-lived, lasting only eight months.
September 2015-present
This icon was unveiled alongside Google's new logo on September 1st, 2015.
Icons
January-September 2015
September 2015-present