Looks like facebook is going to rollout an update to its Premium Ads product soon:
http://gigaom.com/2012/02/21/faceboo...m-ads-product/
This does not apply to the market place ads which most of us buy, but still - interesting development.
Now if only they hurried up with their mobile ads and their adsense competitor 
I believe it already exist
For large buys and agencies only
Link to a more detailed Scribd file:
http://www.scribd.com/doc/82289675/F...m-Ads-Overview
ya both docs here too http://blog.lujure.com/2012/02/22/ne...okadsplatform/
seems like a re-hash of page post ads.....this may be part of the reason the drop in chars in the body text