Sharing ideas online is one of the best ways of conducting quick and effective PD. If an idea is worthwhile, it should be possible to communicate the heart of it in as little as 10 minutes. The following two videos are examples of this at work.

http://www.youtube.com/watch?v=FViIL8stnAo

http://www.youtube.com/watch?v=zDrBwGFV0lE