Tweet IDs are timestamps: 53 years of capacity left, 4.2M IDs per millisecond
IgorBrigadir · x · 2026-11-02
IgorBrigadir explains Twitter's ID mechanics: tweet IDs are 64-bit integers bound to timestamps, not simple counters. About 16 years of timestamp capacity is used with 53 years remaining, and each remaining millisecond still allows 4,194,304 IDs — so tweet capacity is nowhere near its limit.
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