https://www.youtube.com/watch?v=iSkoZULbsTo  46:33

quote: ``It is stairs that make a building inaccessible, not the wheelchair.''

now works with accessibility group at Microsoft, https://www.microsoft.com/en-us/accessibility/homehttps://blogs.msdn.microsoft.com/accessibility/, and https://msdn.microsoft.com/en-us/library/aa291308(v=vs.71).aspx (Accessibility Design Guidelines for Software).

references: Design meets disability, by Pullin, Graham, 2009. http://alpha.lib.uwo.ca/record=b4717639 , Kings Stacks NK1110.P85 2009 and Taylor Stacks WB320.P 982d 2009; https://www.amazon.ca/Design-Meets-Disability-Graham-Pullin/dp/0262516748 ; https://mitpress.mit.edu/books/design-meets-disability