How to set up a product-centric website in SharePoint 2013

Use SharePoint 2013 to set up a website that is based on product catalog data. We willl show you how to use the cross-site publishing feature, and how you can use SharePoint search features to influence how product data is displayed to visitors on a site.

http://blogs.technet.com/b/tothesharepoint/archive/2013/02/14/how-to-set-up-a-product-centric-web-site-in-sharepoint-2013.aspx