Unwillingness to expose one's thoughts, feelings or identity on the web, knowing that doing so means freaknobs from Baton Rouge to Bangladesh will know everything about you.
"Jeez, Paul--you need to get with it! You should create your own web site, post your picture, do some blogging about your beliefs, and generally trumpet yourself and your innermost thoughts via that there Internet."
"You kidding me? I am waaaaaaaay too web shy for any of that!"