4370: You start placing bets as to how long it will take this thread to reach clue 5000.
4371: You read above clue and say, "5,000?" Because you are placing bets on 10,000 or <insert higher number divisible by 1,000 here>.
4371: You read above clue and say, "5,000?" Because you are placing bets on 10,000 or <insert higher number divisible by 1,000 here>.