ExpertBox.com is a knowledge automation platform that is used by experts from different domains to create constructs of systematic conversations that converse with users, for free or for a fee.
Due to copy paste, it is easy to copy media controls, plus it prevents duplication of files, thus more speed and less bandwidth. It also makes having a media library a nice to have.
As a user, I want to be able to choose from previously uploaded media files when updating a media control in the construct designer.