I found out that anyone can build webpages and host them completly free in Google: You just have to use Google Page Creator.
Google Page Creator is a free tool to create and publish web pages. No technical knowledge is required. This means that you don´t need to know much about HTML and you also don't need to worry about hosting.
Google Page Creator is a Google Labs project, and is still in an early testing phase.
I´ve checked it out. The site is very easy to use, and you can choose the layout and the colors. To have access to this service you just have to create a Gmail e-mail account.