english: But if you can do it any time, that means you can do it tomorrow, and if you can do it tomorrow, well, you may not ever get around to it. (Laughter) So we brought back the innovation of having due dates. (Laughter) You could watch the videos any time you wanted during the week, but at the end of the week, you had to get the homework done.
non_english: Ali u isto vreme, to znači da to možete i sutradan, a ako to možete sutradan, možete to takođe i nikad. (smeh) Zato smo ponovo uveli izum rokova. (smeh) Možete da gledate video snimke kad god želite u toku nedelje, ali na kraju nedelje, treba da uradite domaći zadatak.