DAVID PAUL MORRIS/BLOOMBERG VIA GETTY IMAGES
A BEAUTIFUL
MIND
Udacity’s lessons — YouTube videos split into segments three to
five minutes in length — feature
a professor narrating principles
or equations as they are sketched
out by a disembodied hand.
Each lesson ends with a quiz,
followed by an explanation of how
to properly answer the problem.
Unlike traditional universities,
Udacity plans to turn a profit. For
a fee, the company will provide )