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Design a Collaborative Editor like Google Docs

A hundred people typing in one document, every copy converging, nothing acknowledged lost: one owner per document, an op log with snapshots, and fenced failover: one-hour boards for junior, senior and staff, with the theory behind them.

collaborationoperational-transformwebsocketsconsistent-hashingdynamodbreal-timeawsinterview-board

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Outline of the design layout

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