Virtuovert
A person who will open their life up on social networking websites, but at the same time shy away from talking to real people in real life.
Sam is a virtuovert. He has over 300 friends on Facebook yet he doesn't know who to call when he is sick and alone.
virtuovert
An introvert who acts like an extrovert to their close online friends. Virtuoverts have problems interacting in real life, especially with strangers, but those problems disappear with online interactions.
I need to get out more, but being the virtuovert that I am, I don't think I can act natural in real life like I do online.