I remember having to beg my parents for a  DVD player when I was a child. Tired of tracking down cartoons on TV programming, I wanted my own on-demand entertainment. With my parents being apprehensive at first, we entered a long, arduous negotiation over time limits, school work, and chores. When I finally got the player, I felt like a new world had opened up to me; like no technology would ever top that tiny pixelated screen and its stack of Disney-princess cartoons.  Now, screens no longer...