Other options (Score 1)

VP for Community Development of SpanDeX here. I just wanted to second Skidge's point that there are other options out there, one being SpanDeX. To an earlier comment, we also just released our API so that users can open what would otherwise be downloadable templates and TeX files directly into SpanDeX from inside their browser.

SpanDeX Site Integration

Always good to spread the news about the rapidly-expanding cloud-based LaTeX options, but there are many and there should be as much exposure to the lot as possible!