# Idea behind its time Concept from [[Alex Tabbaroc]] via [[Jason Crawford]] of things that could, technologically, have been invented long before they were Some examples: * [[Bicycles]] * Dungeons and Dragons * See [[Age of Invention: Where Be Dragons?]] <!-- #mental-model --> [Web URL for this note](http://notes.benjaminreinhardt.com/Idea+behind+its+time) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Idea+behind+its+time)