This happens on most sites, including reddit, but the opposite happened on stack overflow. I started posting there when I was in uni, but mostly stopped when I

This happens on most sites, including reddit, but the opposite happened on stack overflow. I started posting there when I was in uni, but mostly stopped when I got a job. Yet because the traffic has grown, those comments keep (or kept) accumulating karma. More interesting, because I answered some questions that became highly popular, I get a much larger share of the karma than others who have had to spend more time researching.