The stackers on the leaderboard are those who came and spent at least one sat on the day. I've noticed that it's getting later and later to reach 100 stackers. This means that fewer and fewer people are taking part. I don't have any data on those who don't take part, so perhaps it's irrelevant.
That's really interesting. It's not something I ever thought to check.
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Maybe it is because it is summer? People want to be inside instead of on the computer.
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