Advertising is now part of a complex ecosystem that engages a wide range of components, including but not limited to: social media, Big Data, AI, data mining, competitive intelligence, and marketing. Alan Rothman reveals and explains for readers just how utterly different and hyper-competitive advertising now is, with work product largely splayed across countless mobile and stationary screens on Planet Earth. Rothman describes how expertly chronicling and precisely assaying the transformative changes happening to this sector is an informative and engaging new book, Frenemies: The Epic Disruption of the Ad Business (and Everything Else), by the renowned business author Ken Auletta. Just as a leading ad agency in its day cleverly and convincingly took TV viewers on an endearing cultural tour of the U.S .as we followed the many ad-ventures of Bartles & Jaymes, so too, this book takes its readers on a far-ranging and immersive tour of the current participants, trends, challenges and technologies affecting the ad industry. Auletta’s book is not only timely and insightful, but demonstrably valuable for the professionals in the legal sector who are striving to effectively engage, employ and measure the value of marketing to clients and potential clients in a rapidly changing environment increasingly dependent upon using big data and analytical platforms.