The Seven Deadly Sins of Social Media.: The Social Path
http://www.thesocialpath.com/2009/05/seven-deadly-sins.html
Envy: Don’t be dissuaded by other people “doing it better than you.” I don't actually think it is Envy, but more of a lack of self-worth / perfectionism, at least among the Indies that I know. But I guess that wouldn't fit into a 7 Deadly Sins list.