To this day, I still don't own a smartphone. This will eventually change, because I need it for more practical things, like having a map and being able to search google for things while I'm on the road.
But what completely boggles my mind is actually letting the phone buzz me for anything other than an actual phone call. Even when I'm at my desktop the only notifications I get are skype conversations, and sometimes I turn those off too.
I think the problem isn't phones, it's notifications. We have become addicted to notifications on both phones and the desktop.