Unique users who are taking courses through edX, a massive open online course venture that MIT and Harvard started a year ago. There are 26 massive open online courses (MOOCs) from MIT, Harvard, the University of California at Berkeley and the University of Texas at Austin. Georgetown University is about to join the effort.

“What on earth is going on?” — U-Va. alumnus, in an e-mail to Rector Helen Dragas shortly after the June ouster of President Teresa A. Sullivan