Hmmn, photography seems to be popular. I do food/travel photography: http://joshwand.com/food/ http://joshwand.com/food/ (though I actually make some money on

Hmmn, photography seems to be popular. I do food/travel photography: http://joshwand.com/food/ http://joshwand.com/food/ (though I actually make some money on this, so don't know if it qualifies as a hobby) Flight Simulation (X-Plane) Cooking (I've taken up real BBQ lately) Eating (see: http://lunchmapr.com http://lunchmapr.com (due for a big refactor)) Gardening Learning Mandarin