As of September 2, Panel Picker voting is closed. You can, however, still leave comments on the proposals you find interesting. We will announce the first set of accepted panels on Thursday, October 2. Stay tuned to the SXSW Interactive Festival website for these announcements, or e-mail us if you have questions.
Web applications often have accessibility issues. Anything can be a button or a dialog box. There's no way for a screen reader to know about the functionality of those elements, and often they can't receive keyboard focus. The W3C standards draft for Accessible Rich Internet Applications (WAI-ARIA) addresses those issues. A dual presentation with Gez Lemon of juicystudio.com