You are interested or involved in EdTech this is a MUST.
Must read, must have newsletter, must contribute to, must be on the very well done website/blog, must use.
It is the place where edtech entrepreneurs, technicians and teachers get to connect. The platform gives you the latest news about the industry as well as facilitates all debates about what technology can or can not do for education. All the vital information about the ecosystem is there: jobs, trends, products, habits, and events.
This is more than a platform it is a vibrant community, be a part of it!
https://www.edsurge.com/
Also, if you are in SF (or any other city that has it) do not miss the EdTech Meetups by EdSurge!
http://www.meetup.com/sfedtech/