These elements are crucial to a product websites ability to direct visitors through sales funnels, enhance reach in Google search, and make visitors comfortable with making purchases on/through your website.
Where applicable: Includes Google+ Authorship, Products, Reviews, Events
Larger images enable shoppers to have more intimate knowledge of what they’re buying, ALT attributes allow for product images to appear in Google image searches.
This can be done either in a sidebar section, or in-content links. Allow for maximizing pageviews and shopping experience.
These elements seem to be in place, perhaps integrating them with review pages could drive traffic to multiple site areas.
Sculpting shopper pathways to and from lead-gen pages.
Shoppers must feel safe….we all like to feel safe
use with SSL secured connections
Also a part of the RDFa framework, check for keywords, and duplication.