Curation is primary directed by strong aesthetic sensibility. Serving others has also motivated people. Both, to collect and share, are essential elements of human gregariousness. Technology has empowered almost all fields of human enterprise. Just a decade back, while collecting had its own difficulties, sharing was equally tedious.
The small foot-print audio format , mp3, changed it all. Enthusiasts, even to the day, are busy converting their audio collections to this format. Soon enough, video compression allowed easy exchange. Free repositories grant users access to store and share.