Try something new for 30 days. Is there something you've always meant to do, wanted to do, but just . Matt Cutts suggests: Try it for 30 days. This short, lighthearted talk offers a neat way to think about setting and achieving goals.
Use green, yellow, and red colored cups for group work. When a table gets too loud, change the cup to yellow. If the table continues to be too loud, the cup gets changed to red; this means a loss of group time.