Seems like a good tool for professors at universities. For some classes my professors send out quizzes along with (mandatory watch) lecture videos (3-4 min) lon

Seems like a good tool for professors at universities. For some classes my professors send out quizzes along with (mandatory watch) lecture videos (3-4 min) long and they track how much of it have you actually watched. Mostly to see if a student is actually putting up effort or simply copying.