Scalable education on the web is increasingly possible, largely through the use of commodity software that is easy to use and available freely or at low cost to anyone.
http://www.academicmatters.ca/2012/05/the-massive-open-online-professor/
DawsonITE is a blog devoted to Educational Technology. It's compiled by Rafael Scapin, Coordinator of Educational Technology at Dawson College in Montreal (Canada).