Lately, I fantasize about taking a holiday. Not a destination holiday – those are hardly relaxing now that my Android phone and iPad accompany me everywhere — but a digital one. I crave a break where I can go for a substantial amount of time, say an hour or two, without checking one of my many digital devices. It’s more complicated than it sounds since I’ve been sleeping with my iPad for over a year. Before that, my BlackBerry never left my side.