{"version":"1.0","provider_name":"Rainbow Dash Network","provider_url":"http:\/\/rainbowdash.net\/","type":"link","title":"loveydoe's status on Monday, 23-Feb-15 02:28:40 UTC","author_name":"loveydoe","author_url":"http:\/\/rainbowdash.net\/loveydoe","url":"http:\/\/rainbowdash.net\/notice\/3857536","html":"@<span class=\"vcard\"><a href=\"http:\/\/rainbowdash.net\/user\/32751\" class=\"url\" title=\"MetalTao\"><span class=\"fn nickname mention\">metaltao<\/span><\/a><\/span> It is a rectanglular area of the screen marked as needing to be redrawn.  Updating a few small dirty rectangles is faster than updating the whole screen, which is what makes dirty rectangles useful for games with few moving on-screen objects."}