What??? Look at https://www.writelatex.com/ . Online LaTeX editing with live preview.
I’ve done quite some LaTeX’ing in my life. I never suspected anyone would create a web editor for it. Good idea, though! Even collaboratively editing the same document works (I tested it with my brother). Nice. See the resulting pdf or the read-only online version.
My name is Reinout van Rees and I work a lot with Python (programming language) and Django (website framework). I live in The Netherlands and I'm happily married to Annie van Rees-Kooiman.
Most of my website content is in my weblog. You can keep up to date by subscribing to the automatic feeds (for instance with Google reader):