There are all sorts of things people want. To pay off debt1, to help the environment, to be kind to strangers. But we don’t want these things now. Right now we want the latest iPhone, our drink to go, to zip through traffic faster. And since anything we ever do we do in the now, paying off debt, helping the environment, and kindness to strangers remain perpetually in the future. Failed products aren’t necessarily products people don’t want. But they are always products people don’t wa...