The book Subscribed argues that the subscription model is becoming the dominant business model across industries, from traditional industries like retail and media to newer sectors like technology and manufacturing. The authors explain how companies in various industries are shifting away from selling products to providing services, and how this shift is changing the way companies think about their business, from innovation and marketing to finance and operations. The book provides numerous examples of companies that are successfully implementing the subscription model and offers practical advice on how other businesses can transition to this new model. It also examines the financial implications of the subscription model and outlines how companies can adapt their financial strategies to succeed in the Subscription Economy.