I just wrote about DropPages, a site that allows you to easily set up a simple website using your Dropbox account. As I was searching for some other information about DropPages, I found an article about it on Lifehacker (and awesome resource for everything) that also talks about Pancake.io as another service to host websites using Dropbox.
Pancake.io is very easy to use. Use your Dropbox account (or get one if you don't have one already) and then create a Pancake.io account. Pancake will then request permission to create a single folder on your Dropbox account where the files for your site will be stored. Text files in that folder will be viewable online. Text files that you create in that folder will be turned into a web page. If you want to update the page, just open the text file in any text editor, change it, and save it.
Pancake also supports PDF, Word, PowerPoint, Excel, and JPEG, PNG, and GIF files.
This is another easy way to create small web sites for teachers or students. The simplicity of it makes it easy for anyone to get started with a web page.
PS - If you don't read Lifehacker, you really should. They have articles about technology, finances, cooking, home stuff and so much more.