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by sprizzle 4602 days ago
I believe F1 is the SQL DB that powers ads (AdWords, AdSense, etc.) and is used in production for consumer-facing apps. Dremel is more of a data/log analysis tool, but doesn't typically interact directly with consumer-facing apps. Dremel (externally: Google BigQuery) is still widely used at Google across all product areas; F1 is used in a few products but not many.