Firefox. Organization. GTD, Productivity and Lifehacks at The Cranking Widgets Blog. Mental Heuristics Page. A heuristic is a "rule-of-thumb", advice that helps an AI program or human think and act more efficiently by directing thinking in an useful direction.
Some of these heuristics are age-old wisdom, bordering on cliche, but most are actually helpful. If you want something done, do it yourself. Slacker Manager. Lifehack.org : Productivity, Getting Things Done and Lifehacks Blog.