What is it? Let the computer read things to you (ex: webpages and PDFs).
Chrome extension:
https://chrome.google.com/webstore/detail/read-aloud-a-text-to-spee/hdhinadidafjejdhmfkjgnolgimiaplp
Example of it in use:
https://www.youtube.com/watch?v=URBhcnDr58A