Never mind "Graphic Design Student" – 7 ways to be a thinking human being. If you're not using a decent number of these services, well, OK, it hardly makes you a bad person, but still: most of these are basic tools for information management and digital note taking, and if you like to think of yourself as engaged with the world, and aren't using them, then you're probably doing something wrong. (Saying that: I keep trying to get some cognitive traction with tumblr, and have never really managed it. Might take another go soon. And it did take me rather longer than many of my friends to get twitter.)