Another thing up LW alley. Starting quote:
You’ll think this is weird, but for three years now I’ve taken what might be described as a “data-driven” approach to my social life. Specifically, I’ve been maintaining a gigantic spreadsheet of friends and business contacts, updated with columns such as “Hotness Index,” “Income,” and “Strategic Value.” And I spend about four hours a week keeping it up to date.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.