You know how your iPhone uses a different charging cable than your friend's Android? Well, imagine you've just bought a $50,000 tractor ... that only works with parts from the company you bought it from. Or an expensive printer that only takes one kind of ink. Welcome to the fight for interoperability, a battle against the plans of companies to use digital technology to lock customers into their platforms, forever. How did we let things get this far? Who's fighting back and what regulations are they fighting for? One of the first victories in this war was Apple being forced to move to a universal charger on its' new iPhone. Now what's next? GUEST: Anthony Rosborough, Assistant Professor of Law & Computer Science at Dalhousie University; doctoral researcher in Law at the European University Institute.