What are your most useful synchronous online facilitation practices?

Beth's Blog: How Nonprofits Can Use Social Media

We try and duplicate offline experiences (be they useful or not) and not really take advantage of the medium. I posted a question on the educator listserv and there doesn't seem to be one. Fernanda showed me how she prepared a whiteboard screen with clipart of a circle of chairs. Photo by/NC from Matthew Saunders' Flickr Stream.