promoting accessibility https://www.insidehighered.com/news/2017/03/07/how-one-instructor-pursuing-accessibility-online-education
Accessibility is great, until the pursuit of it leads to ridiculous outcomes like this: Berkeley Will Delete Online Content
This kind of idiocy by Obama's DOJ is why we have president Trump. If the government demands everything be captioned or audio accessible then it should pay for it.
PhD students have time to burn designing courses for every contingency. Not practible otherwise unless you like donating your time.
