It's not just players who should steer clear either. Our two immediate past club chairmen probably would have made better and less expensive decisions if they hadn't been influenced by social media. The Reedtz Brothers fortunately seem to stay well away from it.
If you do decide to use Twitter or Facebook or even sites like this, your first rule should be to take what you read (and sometimes even what you write) with a pinch of salt. Social media can be entertaining if you don't take it too seriously, but if you're easily hurt by idiots venting their spleen anonymously, then stay well clear. It's not the real world.