Authors:

In theater, it's just you and the audience. It's less of a popularity contest. It's just you and the audience, and they're laughing or they're not laughing, that's the only gauge you really have. But with TV and movies and everything, it's like "Well, did you get a meeting at so-and-so?" and "So-and-so's really hot right now," which is all the stuff I'm probably still not used to.

Source: www.avclub.com
In theater, it's just you and the audience. It's less of a popularity contest. It's just you and the audience, and they're laughing or they're not laughing, that's the only gauge you really have. But with TV and movies