Counting a billion ad clicks a day without double-counting
8 min read How to design an ad click aggregator that stays fresh for advertiser dashboards and exact for billing, covering dedup, hot keys, and late events. Read article
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Mars For The Rest of Us — a weekly-or-more deep dive on the technical side of Mars exploration: rocket propulsion, microbiology, mission architecture, and everything in between. Written by Maciej Ceglowski.
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