Billboard has revised its system of removing songs from the Hot 100 singles chart once they've gotten too old to qualify as contemporary hits. The measure, intended to shorten the amount of time successful songs spend on the Hot 100, knocks 10 tracks off this week's chart — including Swims' "Lose Control," which spent more than two years on the Hot 100 — and in the process cements a record that could take a decade to surpass.

Billboard has long had a problem with streaming — as well as with radio stations' growing reluctance to pull hit songs from heavy rotation after many, many months. When you look at the list of the songs with the longest-ever runs on the Hot 100 (a chart whose history dates back to 1958), they're all from the streaming era. Streaming services use algorithms that fee

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