This article gave an overview of what a community of practice is - but what I really like where the graphics included, especially the one on social media in the classroom - some cool statistics presented in an eye appealing manner.
This post describes how educators can develop a personal learning network that supports meaningful and relevant learning. Makes a distinction between personal learning environment and personal learning network.
This article introduced me to a term I'd never heard before, "MOOCs" or massive open online courses. It goes on to explain how connectivism helps form the framework for learning in these online courses.