At the end of the 90's, the DMCA was passed and a program called DeCSS was released. DeCSS decrypted region-encoded DVD's to allow copying and as well as playback in region other than the one the DVD was sold in. We will talk about this case, what happened and discuss how we can legally analyze computer source code to decide if it qualifies as speech. Visit https://brighterevening.com a summary and links.