https://www.youtube.com/watch?v=cGdCI2HhfAU
talk-railsconf-2011-keynote-asset-pipeline#empty-folders-and-files1 At 9:53 DHH "I think empty folders and empty files are two of the pivotal innovations in Rails that have encouraged us to write clean applications since the framework appeared." talk-railsconf-2011-keynote-asset-pipeline#empty-folders-and-files1