What should all agendas include?

What should all agendas include?
Agendas should include the following:

Title (ex: Agenda - Wiki Answers Meeting)
Talking items (include, time and who will be adressing it)

Here is a sample agenda:

Agenda - Meeting of the Minds:

*Theory of relativity - Al Einstein - 12pm to 1pm (60 min)
*How to play football - Jim Harbaugh - 1pm to 2pm (60min)
*Making money - Donald Trump - 2pm to 230pm (30min)

Agendas should be a stand alone document that is handed out at teh beggining of a meeting.

All meetings, meeting invite emails (no matter how big or small) or conference calls should include an agenda. Even if there are only a few items to talk about it is a great document to have to guide a meeting and keep you on track.