I haven't written about them because they are making money comparable to the likes of Sequoia, but the effect it is having and will continue to have in making smart people realize their true potential.
Is there any measure to transform the value of awareness, mentorship and intellectual capital into money?
Quantitatively and predictively, no. You can only look at the outcomes from YC-funded companies, see to what extent they beat the curve. Of course, you still have to sort out the potentially higher quality of YC fundees to begin with. It's a hard statistical problem; any takers?
Is there any measure to transform the value of awareness, mentorship and intellectual capital into money?