See that empty black space? This is what the page would look like if you were visually impaired. Do you know how to make this website readable, and navigable, to someone who can't see?
This class will teach you how.
Play the video below. Can you tell what the people are saying? This is what it's like for someone who can't hear to watch a video without captions. For that matter, what if you couldn't see the controls? Your mouse would be of no use.