Saw the idea of weeknotes mentioned in Hacker News and thought it sounds like a great idea. Small weekly journal entries might be good balance between lofty expectations of something interesting to say daily and the desire to keep a history of my life.
A weeknote calculator.
A couple corporate examples:
http://berglondon.com/blog/tag/weeknotes/
http://www.helsinkidesignlab.org/categories/weeknote
Scott Meade 