if you can legally use something its not stealing. Even the argument that its logical to call it that isn't certain. If i take your picture I own it? If you

if you can legally use something its not stealing. Even the argument that its logical to call it that isn't certain. If i take your picture I own it? If you take a picture and i upload it to fb meta gets to use it? If I publish your book under my name and no one finds out, did I write it? If no author can be found, may I read it?