Free Google Adwords Voucher Credits

Recently, I have been fiddling around with Google's Adwords voucher. I got £30 worth of google adwords credit by signing up at

http://services.google.com/marketing/links/aw-vouchertry
(By the way, this is a great deal as Google is still giving away these free credits).

I found the user interface to be easy to use and you can set your cost per click (CPC) and set a monthly budget as well. Overall, Adwords is a great product that is very easy to use and a powerful marketing force. Adwords demonstrates why Google is the search leader: its search marketing services work really well.