Sorry I wasn't clearer. By "IT work" I actually meant software documentation and documenting business practices (my least favorite type of tech writing).
My reference to "entertainment" was when I worked for Disney. I was employed for a few years as an Imagineer and created most of the technical documentation for rides like Mission: Space, Soarin', Expedition Everest, along with the Train and the round rides in Hong Kong Disneyland.
Now I solely do contract technical writing from home, primarily for trains and light rail systems for companies like Bombardier.