Under the Hood: Building the Location API

What this post added

Introduced a universal location tagging system for all content types, moving beyond mobile-specific check-ins. Developed a global places directory with a new indexing strategy (multi-polygon and prefix-based) for efficient global search and relevance ranking. Designed and implemented the timeline map feature to visualize location-tagged content. Created aggregation algorithms for map pins and systems for suggesting locations for existing albums. Launched location APIs for third-party applications to add and read location data.