Coursera may be no longer free because of the high costs of converting videos and grading assignments . It often takes a team of people a whole week to grade a single work, but many users will go through many courses in this timeframe.
Coursera may be no longer free because of the high costs of converting videos and grading assignments . It often takes a team of people a whole week to grade a single work, but many users will go through many courses in this timeframe.