anand84 - 3:52 am on Jan 22, 2013 (gmt 0)
Thanks all for the response. Shall set up the canonical as well as the Webmaster configuration (just discovered this recently via another discussion).
What purpose were you trying to achieve?
It's easy to check out on page traffic from various sources when using the ref parameter. (We just have to go to the Site content -> All Pages and filter the page traffic by the specific paramters to view traffic from these particular links.