As a little self promotion, and an example of this idea, I recently built an app that lets people listen to any article, it uses AI to convert the articles to Audio with some amazing sounding open source models. I decided to give folks up to 30 free article conversions per month and only charge after that, if they really love the product. You can try it here https://articulu.com
I may at some point be forced to lower that a bit because it does cost a bunch of money to run TensorFlow in the cloud, but trying my best to keep the karma goin.