Clarke's Three Laws of Office Life
Second Law: The number of meetings required for any process is proportional to the quality of the biscuits provided at meetings.
Third Law: The bloke with the most annoying laugh is the one who finds everything funny.
Many office laws - The paper tray is always empty when you need a hard-copy right now - are just special cases of the more general Sod's Law. Whereas these are, I think, genuinely fresh insights. However, I'm not claiming originality. The First Law of Online Life is that somebody has always thought of it before you did.