Many of us rarely use cash these days. And the reach of corporations into our lives via cards and apps has never been greater. But what we're told is natural and inevitable is actually the work of powerful interests: the great battle of our time is for ownership of the digital footprints that make up our lives. Who benefits from a cashless society and who gets left behind? Is the end of cash the end of true privacy? And is a cashless future closer than we think?