I have a phobia of talking
This documentary on SM aired on BBC News a few days ago. Probably one of the most accurate ones I've seen. Warning: Read the comments at your own discretion.
The Selective Mutism Blog
@theselectivemutismblog / theselectivemutismblog.tumblr.com
Selective mutism is an anxiety disorder which prevents a person who is physically capable of speaking from doing so in certain situations or to specific people. The Selective Mutism Blog is dedicated to raising awareness for this condition as well as offering support to those who suffer from it.