all of his inspectors in wheelchairs and sent them through old sacramento which is notoriously unaccessible, and that type of awareness is so important. that is one of our tasks as building officials and as regulators to increase that awareness, and that's part of my overview as an architect as well, but we don't just read black and white. we do a lot of interpretation and we have clients, and as building officials we have all the citizens of our jurisdiction and those who come into it, so it is a very, very important facet of what we do. >> for anyone on the panel how do you educate small business owners or contractors talk about sort of the range of access? because i think oftentimes when speaking about the built in environment and barrier removal and people envision with disabilities but we should design for code enforcement and a range of disabilities, and visual impairment and all sorts of things so if you could talk about some of the lessor understood aspects of accessible spaces. >> one of the big problems that i've had with architects is -- well, there's two, the line on the stairs.