Rethinking Forms in HTML5 | Nettuts+

While there are many changes for the better in the HTML5 specification, there is no better bang for the buck for the data driven website than the transformation of forms. These simple changes will transform how you enter, validate, process, and even display inputs. You will be able to create more usable web applications with less code and less confusion.

via Rethinking Forms in HTML5 | Nettuts+.