Janet Balis is EY's global advisory services leader for media & entertainment, a position in which she advises both media platforms and marketing leaders. As such Balis has a unique vantage point over the changes that are transforming the media and marketing worlds, enhanced by her previous leadership roles at AOL, The Huffington Post and Time Warner. In a wide-ranging conversation with Arun Sudhaman, Balis breaks down some of these shifts and explores what they mean for media platforms and CMOs.