Blackboard Invented Nothing!
Barry Dahl,
Desire2Blog,
Apr 17, 2009
I think we all knew this, but now the U.S. Patent and Trademark Office is coming to that conclusion as well. As Desire2Learn states in its blog: "all 57 claims of Blackboard's 6,988,138 patent have been rejected - the original 44, plus the ones they attempted to add during the re-examination process." Oh, and a note to bloggers: pasted images of Twitter posts are user-hostile and useless. Don't do it. Use text to represent text.
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