Nings

Developed in 2005, Ning is a platform that allows people to create their own social networks.

One of the largest and most valuable Nings for educators is the Educator's PLN.  You can visit the site and poke around a bit or click here to view a screencast that walks you through the basics.  Interest-specific groups allow you to connect and communicate with like-minded colleagues.

While the Educator's PLN brings together teachers of all grade levels and content areas, there are also Ning communities that focus on individual content areas: