Using ValueTrack by Google

Here you are this interesting post of Google blog support.google.com, about how ValueTrack works. This article says:

ValueTrack is our easy – to – use AdWords URL – tagging feature. ValueTrack works with Google Analytics or your own tracking solution to provide detailed, useful data about each click on your ad. You can use this information to fine-tune your campaigns and settings for better performance.

http://support.google.com/adwords/answer/2375447?hl=en-AU