Maybe you should have read the rest of the sentence before deleting it? I'll reproduce it here for your benefit:
"[...], the name economics has for this is "network externality"[1] - the monopolization of a dominant communication system by one entity has a cost for those who don't participate, which is not acceptable."
"[...], the name economics has for this is "network externality"[1] - the monopolization of a dominant communication system by one entity has a cost for those who don't participate, which is not acceptable."