It's the way Hacker News bumps articles to the top (second-chance pool). Everyone's old comments get a new timestamp! (Actually the timestamp stays the same; it

It's the way Hacker News bumps articles to the top (second-chance pool). Everyone's old comments get a new timestamp! (Actually the timestamp stays the same; it's the 'time ago' which is counted differently. Very counterintuitive.) Stroke diagnosis is fortunately negative :)