In parallel, I am able to protoype many of the websites I build these days with what is basically a google doc. Why not build a google doc with slightly more functionality that truly allows me to prototype these tools? Check out http://mitdocs.tk/ to see the potential of this. Relatedly, way for people to make a homepage as easily as they can make a google doc -- consider http://adamchu.tk/, and http://minimalisthomepages.tk/