Last April, I listened to this message at Mars Hill from a guy named Shane Hips, entitled The Spirituality of the Cellphone. He used to be in advertising (working the Porshe account) and then went to seminary became a pastor (Mennoite, even, I think) and wrote a book around this stuff. The message goes through the spirituality around the mediums of spoken mediums (oral culture), written mediums (literate culture) and technological mediums (digital culture). Bear with me, this is good stuff. Here's a five minute synopsis video that I got from Tom R.