You had a great thread about rules of engagement for Catholics on the Internet, it’s linked here:
http://www.freerepublic.com/focus/religion/2371195/posts?
I think that could apply to everyone, honestly.
And your other thread, linked on the RM page:
http://www.freerepublic.com/focus/f-religion/2006297/posts?
“Toward a theological Ethic for internet discourse.