I think that's true. Deadlines do have some pedagogical value. When I did Udacity, it was pay by month, so there was a sense of time pressure in that every extr

I think that's true. Deadlines do have some pedagogical value. When I did Udacity, it was pay by month, so there was a sense of time pressure in that every extra month burned cash. I think they switched to the flat fee now because too many people were blazing through in 2-4 months which is too bad because it took out the admittedly low pressure time aspect of the program.