If you’ve ever wondered how the Jaws Screen Reader handles ARIA live regions, this video should help.
ARIA Live Region Screen Reader Demo
Sorry about the audio issues.
Another video of mine, talking about why you should use the lang attribute in all of your HTML. It’s a simple fix which might save a disabled international visitor some time and annoyance.
Sorry for the low audio level on this one.
Several years ago, I created a YouTube video which discusses the importance of HTML headings for accessibility. In the video, I demonstrate why headings make such a difference to screen reader users. I first show how easy it is to navigate a complex site with headings, and then show how difficult it is to navigate one without headings.