Here is what the Putnam people think of BBBB "Among top performers, Weed gives educational-service company Blackboard (BBBB ) a high grade. It provides educational institutions with a Web service for distribution of course materials, notes -- even videotaped lectures -- and facilitates online discussion. Weed says that once Blackboard is adopted by a school, "students don't want to give it up," so that existing customers tend to yield recurring revenues. Plus, those customers help Blackboard develop its services by requesting specific features. Once a function is created to satisfy one school's demands, it can be offered to other schools as well. ". Does not help, however, since they finally filled the full serving at $28.50, and then dropped it another half bucker...