
I often use social networks to help my teaching. I am a member of PEUniverse.com and use it often. PEUniverse.com is a little like youtube and facebook combined where users post videos of there lesson for others to see and comment on. LinkedIn seems like a more for the business world. I am a member of MACUL Space and it seems well made and easy to use.
I tried to make my own social network, just for fun, but the MSU AFS didn’t meet the requirements for buddypress.
Personally, I use Facebook everyday to keep in touch with my friends. Some of the teachers at my school have created facebook pages for their classes. I sometimes spend way too much time on Facebook. Some of my friends have tried to get rid of their facebook but always go back.