This is a great article about startups and monetization of services in the new advertising and sponsorship based ecosystem of online consumer apps, services, and content.

With advertising becoming the primary business model of the online economy it is critical that we as investors and entrepreneurs understand the advertising business model.

Its a very hard road. It takes a large network of eyes to make money advertising. Or, it takes a highly valuable targeted demographic of eyes. And even then, you must be savvy enough to draw in the advertisers and maximize the opportunity.

On a side note, this is the first post from my iPhone!

http://watchmojo.com/web/blog/index.php/2008/02/20/why-most-vc-backed-ad-supported-companies-are-doomed-to-fail/