At my first internship, many years ago, my supervisor suggested that I keep a work log. That habit has stuck with me since then, and it's proven to be extremely valuable. Some of the value comes from having date-stamped notes on previous work; I frequently search through my work log to find notes on problems and tasks.
I used to keep a journal every day. Do you keep one?<p><a href="http://occupywallst.org/forum/do-you-keep-a-journal-of-your-daily-activities/" rel="nofollow">http://occupywallst.org/forum/do-you-keep-a-journal-of-your-...</a>