Zynga Listens: Trading Post Wall Posts, No more!
Hey Farmers!
Great news! Trading Post Wall to Walls have been turned off. Thank you for the feedback and let us know how you like the adjustment.
-Terri Helper
Source: http://forums.zynga.com/showthread.php?p=9472979#post9472979
This is super epic, since well the Wall posts were not needed.