Are you interested in accessibility issues? The ADA National Network offers a series of free webinars and audio conferences to the public.
"AccessibilityOnline represents a collaborative training program between the ADA National Network and the US Access Board. Sessions are held on a monthly basis and cover a variety of topics concerning accessibility to the built environment, information and communication technologies, and transportation."
Check out their website to view upcoming webinars and conferences. The next upcoming seminar is Accessible Amusement Rides on January 3, 2013. Each session is 90 minutes, and registration prior to the event is required. Sign up here: ADA National Network event registration.