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Indexing the physical world into searchable grid squares.

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: Ad click event aggregation and real-time gaming leaderboards. Communication Services : Architecture for distributed email services. Better Study Resources & PDF Links Indexing the physical world into searchable grid squares

: Pay close attention to the "Back-of-the-envelope estimation" sections. This is a critical skill for justifying your resource requirements. Study the Diagrams system+design+interview+alex+xu+volume+2+pdf+better