The lessons that are remembered by students happen because of three reasons outlined by Kevin Allocca: tastemakers, participation, and unexpectedness.
http://www.edudemic.com/2013/06/how-to-get-your-lessons-to-go-viral-with-students/
DawsonITE is a blog devoted to Educational Technology. It's compiled by Rafael Scapin, Coordinator of Educational Technology at Dawson College in Montreal (Canada).