How does BidVertiser decide which ads get displayed

BidVertiser will always display the highest bidders on your site, assuring the maximum revenue possible at any given time. You will see a constant improvement in your bidding over time, as both your visitors and our advertisers will be exposed to the opportunity of bidding against each other on your ad space.
Make money from your Website or Blog with BidVertiser
>>>What makes BidVertiser different from other ad networks?