That 2013 will be the year of opt-out. That disconnection will become hipster cool. More and more people will be replacing smart phones with dumb ones, digital with analog, social with solitude, sharing with journaling, etc.
Technology is like food: have everything in moderation, and don’t go overboard too often. Fad diets don’t work, and neither will unplugging. When Paul Miller of The Verge comes back to the internet, and when Stephen Hackett gets his iPhone back, both will probably resume their usual habits. There’s nothing wrong with that, provided that you moderate your own usage.