PredictionBook transitioning to read-only mode at the end of 2023 ( read more ).

I will launch Khan Academy's new proficiency model to a subset of users.

Created by divad12 on 2011-10-21; known on 2011-10-22

  • divad12 estimated 50% on 2011-10-21
  • divad12 withdrew the prediction on 2011-10-22
  • divad12 said “Friday’s not good for launching large changeson 2011-10-22

Please log in to respond to or judge prediction