PPC Primer is written by web developer and search marketer 
BidVertiser limited time offer: $10 in free clicks
BidVertiser.com is offering $10 in free clicks for a limited time. Some of the benefits they tout about their system include:
- You choose the sites where your ads appear
- Geographical targeting
It doesn't appear however that you can have a look at what sites are part of their network before you signup.
If you have used BidVertiser, please post comments about your experiences with their system.
Limited time offer: $10.00 worth of clicks from BidVertiser
