The online courses industry is exploding right now.
In 2015, the global e-learning market was already worth $107 billion. Estimates suggest it will balloon to $312 billion by 2025.
However, this comes with a major caveat.
While the overall e-learning industry is projected to grow substantially over the next few years, there is one particular segment of that industry that's actually shrinking.
And it's shrinking fast.
