I've "corrupted" (from the point of view of GDP productivity and such) a lot of people into asking for (and mostly getting...) a 32h/week work schedule. I've been doing it for almost 8 years now, and at this point, it's simply a non-negotiable in any sort of employment discussions (that, and not carrying a pager). I work Mon-Thu, 8h/day, and I'm generally unreachable Fri/Sat/Sun (doesn't mean I won't put in a long we…
Wonder how many software devs would be able to do this. When I have a long weekend, a lot of times, its 'finally, no interruptions so I can get some work done', and end up working. Guess, if you have an itch, could fill it with open source projects instead.
The "constantly coding on side projects" developer is pretty rare, in my experience, but tend to bubble together. (in startups, cooler tech companies or in the "innovation teams").