engine - 5:20 pm on May 23, 2013 (gmt 0)
...we’re launching support for the schema.org markup for organization logos, a way to connect your site with an iconic image. We want you to be able to specify which image we use as your logo in Google search results.Google Now Supports schema.org Markup for Organization Logos [googlewebmastercentral.blogspot.com] Using schema.org Organization markup, you can indicate to our algorithms the location of your preferred logo. ...where possible, may be used in Google search results. Markup like this is a strong signal to our algorithms to show this image in preference over others, for example when we show Knowledge Graph on the right hand side based on users’ queries.