Quadtree-based image compression formats and level-of-detail systems all work this way. Satellite imagery, terrain rendering, and geographic information systems use quadtree decomposition to serve data at varying resolutions: zoomed out, you see large coarse blocks; zoomed in, you see fine-grained tiles. The same principle extends to three dimensions (octrees) for volume rendering and 3D spatial indexing.
Arabic text was added to these shop signs and a balaclava placed on the friendly cyclist in this YouTube thumbnail
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Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36