Since you're looking for a blog post, here are three distinct directions you could take, depending on the "vibe" of your site. Option 1: The Creative "Junk Drawer" (Personal/Lifestyle)
Write a simple script to automatically clear out your temp or "junk" directories. Option 3: The Minimalism/Productivity Angle junk.txt
We save links, snippets, and "to-do later" notes that we never actually look at. Since you're looking for a blog post, here
The role of files like robots.txt or humans.txt in keeping unwanted "junk" out of search results. junk.txt