[betageek]

CTO and lead developer on a focused project are very different jobs - my guess would be he relaxes from the very strategy and soft-skill heavy day job by diving into a challenging problem that keeps his dev chops up and lets him focus on a finite problem.

[ZephyrBlu]

So working a shit ton then.

[kyawzazaw]

No idea on Evan Wallace's perspective but there is a possibility that it isn't seen as work. It would like be me solving sudoku or some of my friends building LEGOs or solving extremely hard jigzaw puzzles

[ZephyrBlu]

I understand that because it's often how I feel when I'm doing programming work. However, I would still consider that time spent working.