ideas: Managing Meetings Time

Time Is a Company's Most Valuable Resource - HBR IdeaCast - Harvard Business Review:

"There’s also been a proliferation of attendees at meetings where the average meeting size has grown over time. And our research on decision making has basically supported what we call the Rule of Seven which says, for every person you add to a meeting over, above seven, the effectiveness of that meeting goes down by 10%. 

The effectiveness being gaged by the quality and your ability to actually reach decisions and outcomes in that setting. Say that, by the time you reach 17 people in a meeting, you’re actually not making any decisions"