Re:Hacking and defeating Google's reCAPTCHA with a 99% accuracy
by DanBC on Thursday June 14, 2012 @05:38PM
(#4113638)
But it's a symbol for mobility - not for all disabilities.
There are symbols for visual impairment, but they're not international.
(http://commons.wikimedia.org/wiki/File:Pictograms-nps-access...)
(http://3.bp.blogspot.com/-HfEx4Y_O_Gs/Tf0huVPZBXI/AAAAAAAAAC...)
http://en.wikipedia.org/wiki/International_Symbol_of_Access