I think the comic that's gotten me the most feedback is actually the one about the stoplights. Noticing when the stoplights are in sync, or calculating the length of your strides between floor tiles - normal people notice that kind of stuff, but a certain kind of person will do some calculations.

Man, Farmville is so huge! Do you realize its the second-biggest browser-based social-networking-centered farming game in the world?

One of the things I've learned with doing 'xkcd' is that you sort of give people, 'Here's the thing, and here's the button you can press to get another thing.' Sometimes that can be more easy to digest than, 'Here's a long page of things.

Sticks and stones may break my bones, but words can make me think I deserved it.

I never trust anyone who's more excited about success than about doing the thing they want to be successful at.

Take wrong turns. Talk to strangers. Open unmarked doors. And if you see a group of people in a field, go find out what they are doing. Do things without always knowing how they'll turn out.

Things are rarely just crazy enough to work, but they're frequently just crazy enough to fail hilariously.