Eric Mazur, dean of Harvard, believes that failure is essential in learning and grades stigmatize it. Mazur has torn down the walls of the classroom and each group of five works collectively from wherever they want.

The basis of everything is Perusall, its collaborative learning platform, which it claims are already used by 4.4 million students in the world. The Dutchman gave the inaugural conference at the Reinventing Higher Education meeting of university experts that the Spanish IE University organized this month in Miami.