Test drive a Volkswagen from a press ad.
Previous examples:
AXA
Audi
Previous examples:
AXA
Audi
Turn your mac into a set of Ikea shelves.
http://www.creativereview.co.uk/cr-blog/2011/march/ikea-e-folder
Powerful stuf from Chrysler
Further reading here : http://news.cnet.com/8301-10805_3-20036189-75.html
More on the concept of Social Search http://en.wikipedia.org/wiki/Social_search