I used to follow David Allen Getting Things Done.
- 5 Speeds of SF - Alan Baljeu 24mar11
- Now(1min) - just do it.
- Urgent(1h)- enter C2, do it before turning page
- Soon (1d) - enter last page, do when you arrive
- Near Future (1w)- enter last page, do sometime before page is dismissed
- Medium Future. (1mo) - enter last page, let it be dismissed, resurrect upon a future review
- Parked (Never) - enter whereever, delete any time.
- Mark Forster's SuperFocus