I use edublogs and one set up by my department called global students.com. I have to confess that with me it has been learning as I crawl along. At 60 I feel really stretched. However, I am making progress - how I wish I had a technician to talk to!!??
Richard L. Opie
PS I spent almost a week in Hawaii many years ago and have fond memories of sailing through the islands and visiting a working volcano.
With your interest in Education 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.