Quadtrees are everywhere spatial data exists. Mapping services use quadtree-like tile pyramids to serve map tiles at different zoom levels (Bing's quadkey system, for example, addresses tiles as base-4 paths). Game engines use them for collision detection and visibility culling. Geographic information systems use spatial indexes to store and query spatial datasets. PostGIS uses GiST indexes (R-tree-style) for spatial queries on geometries, while PostgreSQL's core supports quadtree-like SP-GiST indexes for certain data types like points.
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This week, we're diving into the big changes at Xbox and what it all means for Microsoft's gaming future. Phil Spencer, the longtime face of Xbox, announced he's retiring last week. He'll be replaced by Microsoft's former CoreAI CEO Asha Sharma, instead of his longtime deputy Sarah Bond, who plans to leave the company. Will this change actually help the beleaguered Xbox division, or is it another example of Microsoft shoving AI into everything?
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Read the full story at The Verge.