Project Gutenberg continues to digitize thousands of books a year, Hart said. Hart’s grand plan is centered around one number: 1 billion. He scratched his math, based on various premises, down ...

In 2022, audiobook usage increased by 70% in the U.S., and audiobook publishers had $1.8 billion in 2022. By 2032, the global audiobook industry will reach around $39.1 billion. Project Gutenberg ...