* The first merely inconveniences people who already work in a given industry, by forcing them to learn new tools or workflows.
* The second unseats incumbents and fundamentally shifts power dynamics.
"Hollywood", "Film" et al have by and large not been disrupted yet, in the second sense. Digital change came late to film & tv. We are just now on the tail end of digital transformations that will enable the second wave of disruption.
I've written about this extensively, it's kind of my bag: http://endcrawl.com/blog/two-digital-revolutions-disruption/