If you have an e-commerce website and would like to have ad copies to show unique sitelink destination urls for each of these ad copies, you can make use of the ValueTrack function to achieve this

This is useful if you have loads of branded products and would like to create an ad copy that can direct visitors to a specific page related to each of the product via sitelinks.

Here is how this can be done.

In October 2012, AdWords enabled Google Analytics metrics to be incorporated in your AdWords account. After 2 months of the release of this feature, find out how John Gritton, a top contributor in the AdWords community, uses these new metrics in his campaigns.

Read more here.