Massive open online courses saw great growth in 2015, and according to new data from Reportlinker, more demand for this affordable education option means more growth.   Driven by increased platform connectivity and device-based computing adoption, as well as the emergence of online and collaborative learning and technology personalization, Reportlinker estimates the MOOC market to grow by nearly $7 billion by 2020.   Here’s a look at where MOOCs fared last year by the numbers with data collected by Class Central: 35 million: total number . . .