The Digital Millennium Copyright Act (DMCA) has been a thorn in the side of DIY enthusiasts, security advocates, and content creators for decades, but the draconian law does have some useful provisions. For example, it's rulemaking season, which empowers the Librarian of Congress to grant exceptions to the DMCA. Public Knowledge and iFixit have struck a blow for ice cream lovers this time around. Soft serve machines, like the ones that constantly break down at McDonald's, are now exempt from the DMCA.