This is fantastic. I have used the same system for the last 4 years and it is the single most useful productivity "hack" in my life. The only change I use is th

This is fantastic. I have used the same system for the last 4 years and it is the single most useful productivity "hack" in my life. The only change I use is that my reference emails usually go into Evernote. Kudos for such a useful and comprehensive post!