This Wiki page is edited by participants of the WCAG Working Group. It does not necessarily represent consensus and it may have incorrect information or information that is not supported by other Working Group participants, WAI, or W3C. It may also have some very useful information.
From WCAG WG
HTML Techniques Task Force
[August 13th 2012] Josh to update ARIA techniques wiki page, remove names on techniques that haven't been completed and add dates for new claimed techniques