That's according to this post on Signal Vs. Noise:
Then they propose some solutions, including 1. Begin with a specific problem. 2. Meet at the site of the problem, not a conference room. 3. End with a solution and who will be responsible for implementing it (also, I would add, a timeline for its resolution). 4. Celebrate, shut up, and do something.
Good advice for staff meetings, which often are the soul-sucking, motivation-sapping monstrosities everyone likes to moan about.