welcome Bob! Big Honor! GlobalVillages would not be possible without all the wonderful inspirations from California I brought home to Austria in the nineties. Now we have the means to talk to each other constantly and offer the best that we have to the world, accelerating the learning curve if we are wise to do less, but better.
With your interest in Virtual Technology, I recommend you take a look at Wiziq's virtual classroom and authorstream's power point presentation platform. Both are web based platforms, have a bunch of features and free basic service. Here’s a public class recording you might find of interest.