Rules of Thumb is a user submitted (and voted upon) collection of the world's greatest rules of thumb for different situations, from playing Blackjack to choosing a bicycle frame.
posted by jonson on Jan 9, 2008 - 38 comments

Colour Rules of Thumb is a simple yet effective guide to the non black, white and red world. [via 43 Folders]
posted by riffola on Feb 16, 2005 - 13 comments