Together with Rosian Negrean we'll demonstrate from how to write more simple ajax forms (for beginners) to how to use some of the more common ctools functionalities to make our site work better.
In addition there will be a demo that teaches how to use ctools plugins with ajax forms.
You can download the example module below.
Please after download rename it by deleting "_.txt" ending. ( I wasn't allowed to upload compressed file types, only text)