У вашего броузера проблема в совместимости с HTML5
Assistive technology for individuals with learning disabilities is highlighted in this video by AMAC and the Tools for Life center. Representatives from Georgia Tech and the University of Washington summarize what is currently available to help foster success for all individuals: K thru 12, post secondary and in the workplace.
Please view this short video from LDA on Assistive Technology and what it is and how it can help you.