The document discusses the trends shaping marketing in the digital economy, referred to as "Marketing 4.0". It outlines several technologies like GPS, internet access, smartphones, and electronic payments that enable and disrupt marketing. It also discusses how marketing is evolving to combine online and offline elements, blend substance and style in building brands, and complement machine connectivity with human touch. The key aspects of Marketing 4.0 include online and offline integration, customer participation in the marketing mix, and a focus on both high-tech and high-touch elements.