Get a $100 coupon for Microsoft Adcenter. This coupon is good for $100 in free clicks from MSN Adcenter. I have used this adcenter coupon and it works.
$25 coupon code: DMB13-jul12
$25 Bing webmaster tools coupon code if you authenticate your website: click here
Free clicks on the Bing offer expire soon so don’t delay.
Update – there is a new free Bing adcenter coupon that doesn’t expire until the end of 2011!
The only way to get this Microsoft Adcenter discount is to use this link to login. When you do click on the above link you will be sent to a signup page where you can enter the code to receive $50 in free clicks.
The deal is valid for unlimited uses, but only one per customer.
Here is an adcenter offer code for $150 off pay per click advertising. Also check updated coupons for adwords.
Bing offer codes (these discount code must be entered manually):