Keep discussion focused and the meeting on-time
Agenda timers keep the process visible and on time, helping cut off those long rambling digressions that pull the group off track. And with the speaker queue, each speaker is automatically timed, so you know when it's time to move on to the next person.
The overall meeting timer shows everyone when you’re getting close to the end of the scheduled time, so you can make sure you cover what’s most important before you need to go. And when the discussion warrants the extra time, facilitators can head off any bitterness about the meeting running over by explicitly adding minutes to the clock where everyone can see and agree to spending them.