mesheconomy.com

Involver offers a platform to enable companies to build and scale social marketing experiences.

They have created a new programming language to allow brands to build social applications, with a particular focus on Facebook.
For example, Involver offers an interesting application for Facebook to enable brands to make offers to their visitors based on their Klout score. 

In addition, Involver powers the Get Satisfaction Facebook app which enables communities to connect a community with the corresponding activity on a Facebook page.

Mashable article and another