http://www.businessinsider.com.au/stand-up-meetings-will-make-your-team-a-lot-more-productive-2012-2
A top notch blog post from Martin Fowler's archives. As he says:
"Daily stand-up meetings have become a common ritual of many teams, especially in Agile software development. However, there are many subtle details that distinguish effective stand-ups and a waste of time."