newspeak

The motive is unclear at this point. Could be a defensive tactic, and the patent claim is yet liable to refinement, narrowing of scope. Likely still have a constricting effect above and beyond any defensive posture. Interestingly, the putatively defensive move could be too late. See the Quora answers to the question, “Is there an open source Khan Academy platform?”: http://bit.ly/1NbJmlI

Source: Explaining Khan Academy’s patent application for A/B testing in education