End of term: Check Printed or downloaded all your lecture notes: Check Text books strategically placed on desk: Check Essential snacks and drinks ready: Check What next? Well the obvious answer would be to start revising and getting ready for your upcoming exams. For this, many students rely on their lecture slides and notes to use as their study notes, because they believe that all the info they need is right there. Right? Well, sort of ... One of the big problems with onl