1. MOOCs are seen as the third digital revolution in higher education, following e-learning in the early 2000s and open educational resources in 2007.
2. As with previous digital innovations, MOOCs have led to debates around quality as they relate to technological changes, shifts in teaching and learning culture, and questions of quality assurance and innovation strategies.
3. There are many open questions around how to define and measure quality in MOOCs, including what criteria and metrics should be used and whether factors like course size, completion rates, or learner experiences are appropriate measures.