HOWEVER, although I'm a huge advocate of devices as tools for learning, I'm also a big believer that with privilege comes responsibility.... So use common sense. If you are using the device to social network, when you have been given the opportunity to advance and propel learning... that's just a shame, as it makes it challenging for everyone else.
One of my favourite tools for learning is Twitter. If you are new to Twitter, check some of "lingo" here, with this Twitter Lingo or glossary button.
The following infographic demonstrates good ways to use Twitter.
For closed conversations or "Walled Gardens" use Today's Meet.
With Primary grades, consider setting up PLN's with Twitter, selecting a specific hashtag # to share resources.
Read the followign article...
"25 Effective Teaching Strategies for Using Twitter"