One of my main hobbies these days is rock climbing, particularly bouldering! Yeah, I started climbing at 48. Along the way I wanted to have some graphic shirts with a rock climbing theme. There's a bunch of junk out there, frankly. Stupid, "clever" text on shirts. So, I started to make my own, and put them on a web site. These shirts are unique, and these designs can only be found at SpringFed Systems
You can still Read about Spike here.
An article I wrote years ago for Transactor magazine.
And, of course, my running commentary on software development, backpacking, and global warming at A Coder's Log
Thoughts on software development process: