The answer is adgridwork. Adgridwork is a free advertising network that lets anyone promote their websites, businesses, blogs, and organisations. Adgridwork is the perfect way to build traffic, visitors and future clients for free. But it is not entirely free, you have to add other people’s ads also for exchange. Still a better deal if you want to publicize your site rather than monetize. Here’s how it works:
After you add your site to the Network they will present you with the ad code that you need to put in your site. The Ad Code is about 10 lines of Javascript that will automatically fetch related advertisements and display them on your site in the way that you indicated when you added your Site. By displaying ads on your site, you tell adgridwork servers that you are actively participating in the Network and they will in turn display your advertisement on other similar pages. So it actually works like an ad exchange.
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