MovieSwap’s slippery streaming plan involves warehouses full of DVDs, and a loophole

You could call MovieSwap a rescue operation for an entertainment medium of a bygone era. DVDs, those discs that helped bring the world into the digital age of movies and TV shows, still lurk in dust-covered entertainment cabinets and media racks around the world — to the tune of 25 billion copies, according to the new startup — and MovieSwap wants them.