A wiki works best where you're trying to answer a question that you can't easily pose, where there's not a natural structure that's known in advance … - Ward Cunningham

Wiki is like a leaky bucket of information. It's losing information every day. But more information is coming in, so the net is positive. Even if it can lose things, wiki always has more to say than it did the day before.

A wiki is like a party that doesn't have to stop. It's a party that doesn't get crowded because new rooms appear when needed. It's a timeless party where you can try each conversation over and over until you get it right.

There is an art to knowing where things should be checked and making sure that the program fails fast if you make a mistake. That kind of choosing is part of the art of simplification.