the site says the course is free, but now you have to pay $49 to access anything beyond module 1 in the coursera course. there's no option to audit it.
i also can't find any lectures on the site. can i still go through this course for free, or do i need either the book or the lectures?
if you know of any resources i could use instead, please recommend them to me! i am very, pitifully broke :)
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