Many real life applications support temporal services Stack Overflow supports all of the features listed in the overview In this section we ll use Factorio School as a running example Factorio School and Factorio Prints are websites that lets users share designs called blueprints for the video game Factorio Liftwizard and Factorio School were both created by the same author and Factorio School leverages Liftwizard s temporal support In the next section we ll create and edit a blueprint and see how non destructive edits work