Hey let's be honest, most academics (that I know) still don't even use LaTeX (or refuse to do so). This is really cool, but requires way too many skills (in js/css3/html5/distill-extensions and node.js).
Personally, my team and I had really great experience with sharelatex.com, whom only I had knowledge about LaTeX. I liked that it's also opensource with a permissive license. I would rather host that on sandstorm.io the next time, or just pay for the comfort offered by overleaf.com (I've never seen such a beautiful colloborative LaTeX Editor).
• What about vendor lock-in?
• Can you export to LaTeX, Word or PDF?
• Can you selfhost it for your team or company?