File Wear
Tinderbox notes gradually yellow with age, a subtle cue to tell you whether a note's been created or revised recently. But She's A Girl talks about this and related features for better filing.
This post is interesting, too, because the author is revisiting an old post from her archives. Bloggers usually waste their archives, or squeeze them for Google juice. Finding ways to link to your archives helps you refine and extend a valuable resource.