An account of someone who isn't bothered about learning and won't ive feedback to students in a Mooc. Scale might be a reason but that's not the rationale being used.
Ignore the start about Stanford pioneering moocs. Notes that they have developed 2 new platforms for running their moocs, one of which supports group work.
Backwash effect of running a MOOC leads a Harvard academic to revises his FTF classes - less lectures more 'flipped'. Not sure what the comment about Google hangouts is about.