Actually, part of the idea behind Coursera, Udacity, EdX etc. is to sell better, more accurate credentials to potential employers. The logic being that the resp

Actually, part of the idea behind Coursera, Udacity, EdX etc. is to sell better, more accurate credentials to potential employers. The logic being that the responses to hundreds of exercises are more valuable as data than a single final grade. http://chronicle.com/article/Providers-of-Free-MOOCs-Now/136117/ http://chronicle.com/article/Providers-of-Free-MOOCs-Now/136...