Text-to-speech is becoming more popular
I am a slow reader. I read a lot on websites, but not quickly and I often get distracted while reading. What I like therefore is a pre-reading option.
Precisely because I like to use such options, there is also such a possibility on my blog to have articles read aloud.
But my own blog software could do that before Medium can do it now as well. 😄
Seriously, such features are really helpful, especially if you can adjust the speed. I read slowly, but I can listen on double speed most of the time.