Amazon link is here.
In the YouTube video above, Vohra teaches speed-reading. In high school in the early 1960s, we had speed-reading machines. Note what he says about prepositional phrases. They matter. "Fred sat on the porcupine."
An angry email I got from someone from Australia in 2006 may seem relevant here (to the attitude toward volunteerism and others in general). "You are not more creative, wise, and all-knowing. What gives you the right to the idea that you are intellectually above the 'cretins' of the world? Education is a tool, not a weapon to threaten anyone with. If a majority of people are not able to understand your train of thought, as you have observed, then it is you who is not communicating efficiently."
On April 20, 2103 Paul Sullivan offered a relevant article in "Business Day" in the New York Times, "Measuring College Prestige vs. Cost of Enrollment", link here.
An obviously well-related topic would be the rise of "for profit" universities (especially "online degrees") and the practice of internships, and earning academic credit for them (or for "volunteerism").
Also interesting is the comedy film "Admission" (about Princeton), reviewed on the Movies blog March 30., 2013.