Social media and social networks, from Facebook to Snapchat to Twitter and beyond, are an increasingly important part of how we communicate and connect day to day. They're key for staying in touch and up-to-date as well as contributing to our world and being creative. Many teachers find social networking a great way to expand their personal learning network and to discover resources. Just about all students rely on social media of some kind as a part of their daily routines. So how do you bring social media and social networks into the classroom? And how do you decide what will work for you and/or your students? Here's a collection of the best and most interesting social networks and social media apps and websites we've looked at to help you decide.