This is the first time a lot of content has been released in recent years. A law was issued in 1998 that included a 20-year copyright period. This law was sponsored by Walt’s Sonny Bono. Now 20 years have elapsed since the launch of everything created in 1922 and 1923 is unprotected and made available to everyone for free.
On the site, more movies and books will be added in the public domain to the ever-growing group, but for now you can access a list of more than 1,000 films released at the following link: openculture