There certainly have been experiments, such as Minnpost.com’s “Real Time Ads,” which sells a local businesses widget space to display their Twitter feed. This way, the business directly controls what is displayed on the site and the advertising has the potential to be more effective because of it’s social nature and users can engage it. Plus, the local business gets its social accounts exposed to a larger audience and is able to build a lasting relationship with readers. – Vadim Lavrusik, Mashable.com
Ooh, ooh! You’re (rich and?) famous!