I just started one small thing that's improved both my fitness and my work life -- reading a technical book when I work out on the elliptical. Right now I'm wo

I just started one small thing that's improved both my fitness and my work life -- reading a technical book when I work out on the elliptical. Right now I'm working through Lisp In Small Pieces. It's not easy to read and work out, but I like the challenge and it works well enough that I'll keep doing it. Plus it keeps me from getting so bored at the gym.