Libreture is a user on mastodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
If you don't, you can sign up here.
Bah, why didn't anyone tell me that @kevinbeynon was on Mastodon? Okay, I know why. You aren't my babysitter. :P
Check out Libreture, it's a DRM-free (yay) ebook hosting that looks really promising.
