Below is a list of possible advertising networks you can run your PPC or CPM campaigns on. This list is by no means exhaustive as there are literally thousands of other networks for you to try. In no particular order below are some of the most easy to use and accessible networks we have found. Google Adwords: http://adwords.google.com/ Bing Ads: http://bingads.microsoft.com/ Yahoo Advertising: http://advertising.yahoo.com/ BidVertiser: http://www.bidvertiser.com/ BuySellAds: http://buysellads.com/ Clicksor: http://www.clicksor.com/ Plenty of Fish Ads: http://ads.pof.com/ 7Search: http://7search.com/ Tribal Fusion: http://www.tribalfusion.com Advertising.com: http://www.advertising.com/ Vibrant Media: http://www.vibrantmedia.com/ ValueClick Media: http://www.valueclickmedia.com/ PulsePoint: http://www.pulsepoint.com/ Blinkx Media: http://blinkxmedia.com/ Infolinks: http://www.infolinks.com/ Kontera: http://www.kontera.com/