I regularly read about all sorts of things. Ok, my professional area is based on marketing and digital communications, but I think it's wrong to just focus on those areas if you truly want to make work that matters. Creative and strategic work demands curiosity, otherwise you'll just end up thinking like everyone else and your solutions will just suck. It also demands a little craziness, but that's a whole other topic.
What about you?
Here's a little challenge: demand yourself to learn something new every day. If not for your job, at least for yourself.