The length of any meeting is inversely proportional to the length of the agenda for that meeting.

Related:

• The usefulness of a meeting is inversely proportional
  to its attendance...
• Sweeney's Law:
  The length of a progress report is inversely proportional...
• Thom's Law of Marital Bliss:
  The length of the marriage is inversely proportional...
• The length of a progress report is inversely proportional to the amount of progress.
  Sweeney's...
• The value of a report is inversely proportional to its length.
  Oosterval's...
• Shanahan's Law:
  The length of a meeting rises with the square of the...
• The length of debate varies inversely with the complexity of the issue.
  Robert...
• The comfort of your lecture hall seat is inversely proportional to the length of the lecture.
  Sod's Law...