A few months ago I was introduced to Slack through my role as Community Administrator for the Flipped Learning Network. We started using the platform as a communication, content sharing, and engagement resource for the flipped learning community.
At first I was a little reluctant to have yet another app to deal with, but I quickly came to appreciate the powerful simplicity of the platform. A Google search made it obvious that educators are embracing the platform as well (more an that below).
Via John Evans