We live in a world with "free" content, and this freedom is...

We live in a world with "free" content, and this freedom is not an imperfection. We listen to the radio without paying for the songs we hear; we hear friends humming tunes that they have not licensed. We tell jokes that reference movie plots without the permission of the directors. We read our children books, borrowed from a library, without paying the original copyright holder for the performance rights.