I have something very similar set up.<p>I have a terminal command called "log" which takes a string as an argument. It basically takes this string and writes it into my log file, prepended by the current date and time. This log file is in my dropbox folder. Typing "log" with no arguments will open up the log file in my editor.<p>I have this set up with an Alfred workflow which works exactly the same way. I find it very useful for keeping track of what I am working on, what problems I was meant to be tackling, quick calculations I would like to keep a record of, etc<p>EDIT: reading the article more thoroughly, my solution is basically identical.