By One weekend night, Get one weekend night free. It was a program Marriott had in place for years. Last fall the said they were revamping it and pulled it. They said the new ones would come out in March 2012. We have yet to see them
Oh yes, this discussion is about twelve pages long with many answers and updates (with no results regarding any answers as to when they will be back) and the timeframe on the post goes from Jan to June.