There are lots of new HTML5 elements, but it can be easy to get confused about how to use them if you have preconceived ideas of how they work. For example, just because
ASIDE has “side” in the name, it doesn’t mean that you can only place this content on the side of a page. This article looks at some of the misconceptions about HTML5 elements that might be affecting how you’re writing your web pages.
Read the full article: An HTML5 Footer Doesn't Need to Be At the Bottom of the Page