manny123 - 5:31 pm on Dec 28, 2010 (gmt 0)
I think it may be content/niche related. Like Swanny007 and Mentat, this has been my best month ever. CPM has been climbing for the past few months and has peaked for now. I anticipate ad spend (and therefore, CPM) to drop off a bit in January but we'll see. Sorry to hear December has not been good for you.