You may be one of those people who thinks Twitter is a needless diversion, that Facebook is a total waste of time, and that blogs are kind of silly. Given that you’re reading this, I really doubt it, but maybe someone you know is in this camp. Things that are useless to some are vital for others. Between the just linked essay and the passing of Brad Graham, this week has been a powerful series of reminders of just how real and important virtual relationships are.