“One of the best examples,” Jackson said, “ is that at the end of WWII some librarians decided that they wanted to put books on tape for people who lost their vision. Those were the first audiobooks. And today, there’s Audible.com, there’s Amazon, there are so many uses for audiobooks outside of those who are visually impaired.”
There are dozens more examples. Under Armor recently acquired the patent for a one-handed zipper. NPR added transcripts to their site for the hearing-impaired, and their traffic increased 7%. Inclusivity is a good business move.