CCK08 - What does Wordle Show?

The net has been a blaze (in certain circles) about CCK08, groups have been popping up around the net to provide support for what appears to be a very open course.  For some reason today I decided to create a Wordle for the Official Course Blog and use a Wordle from the CCK08 FaceBook Group. 

Official Course Blog Wordle


Cck08

CCK08 FaceBook Group Wordle

N285000016_1257653_2689


Are they are major differences?  If so why do you think that is?  (And not the colour or font...)