Adster.com - Buy & Sell text ads

Have a website you'd like to sell advertising space on? ADster makes it easy. If you want to sell Ads you only have to place your Adster AD panel throughout your website, customize your text ad space to match your site, then set your own ad rates for optimum income, and finally approve advertiser's text ads that you display and start making money! If you want to buy Ads you can place Text ADs throughout the ADster Network of thousands of web publishers, you can select individual websites to place your Text AD, you can select ADster AD channels that relate to your products and services and launch an AD campaign that targets millions of customers instantly, ADster will send you web publishers each week that contextually match your AD campaign! You can select your target channel into: enitre Ad Netwok, Bussines, Entertainment, Friends & Dating, Health & Education, Blogs, Home, Shopping, Sports, Technology, Transportation, and Travel & Leisure.

"ADster is the new way to buy and sell text advertising, person-to-person. ADster directly connects advertisers looking to buy text advertising with web publishers selling targeted adspace. ADster's Network of web publishers range from smaller niche-market websites to websites that rank in the top 100 most visited websites in the world."

This site might be a killer because it offers solution to people who wants to buy or sell advertising. It's easy to use and people can choose where they want to buy or sell their ads.

As they have many competitors, how do they deal with them? Do they have any special strategy?