Seth Roberts Coins a New Term

And a useful one, too:

I use the term superhobby to describe activities that combine the skills and resources of a professional with the freedom of a hobbyist. All of the blogs I read regularly are superhobbies. My self-experimentation was (and is) a superhobby. Writing open-source software is a superhobby. Most books are superhobbies.

Unfourtunately, most films are not. Nor are articles in peer-reviewed journals. We need more superhobbies!