Share 'How important is your cell phone?'

I'm at the beginning of a transition from a casual, if not reluctant cell phone user to a smartphone evangelist. Maybe. Most of my cell phone use to date has been the kind where I check the time or wait for it to ring so I can talk to my wife. I don't use it to surf for information or check email, but I do text Twitter from time to time. That will change this week with the arrival of a new Andr...