Well, if you are going to use all of my ideas for your digital backpack this year, you will also need to know how to split your screen. This is essential when you want to read your e-textbook and work on an assignment (or have your students do the work with their e-book). It will stop you from printing out e-mails that you have to read while doing work and generally get you 100% onto the cloud. Above is a short video telling you how to do it. You could also download Air Display if you wanted to have two of your devices connected together virtually (ie, no cords).