This forum post contains detailed instructions for getting the Acer Chromebook C720 working with Fedora 20.
It is written in French, something that in these days of Google Translate should not present a significant barrier, although it does make me wish I’d actually taken the opportunity to learn French years ago. But lately I’ve also been having the same thoughts about German. Maybe 2014 should be the Year of Living Bilingually. There’s so much good stuff out there that never makes it into English!