Re: A product design project

"training salesmen in using their product" - yup, that's a superb 
idea! 

Come to think of marketing ergonomic products, I begin to realise the 
big problem is not making customers adopt new technologies, but 
rather making manufacturers care about the sales of their products. 
Your suggestion is seems to be a cheap, easy and effective strategy, 
yet no manufacturer has cared to implement it. Another example I love 
to point out is seeing a sophisticated data input device, claiming to 
be the ultimate solution, but produced in only one size - as if we 
all have the same size of hands...