How to Use Gmail to Reduce Your Study Time by 50%

Study Hacks: "One of the most overlooked time sinks in the study process is filling in gaps in your understanding. Think back to the last time you prepared for a test. It is likely that around 50% of your time was spent trying to figure out stuff that you missed the first time it was presented in lecture or reading assignments. This holds for both technical and non-technical courses. In the former, the gap might take the form of a technique that went by too fast on the board during lecture. In the latter, it might be a reading assignment that baffled your ability to pull out a clean conclusion."