Take a look at this video, it has been done by a member of the coss community.
Really helpfull to understand in 2 minutes all Coss features, share it when someone asks you what Coss is.
https://vimeo.com/256841727Just wanted to share this video. GREAT VIDEO ! I hope someone from COSS will see this and maybe use it for marketing purposes? The author would be probably thrilled about this.