Digital economy and digital businesses, topics such as: • Technology and market structure (perfect competition, monopoly, oligopoly). • Elements of the digital economy that affect competition between companies. • New economies of scale based on digitization. • Standards and compatibility in information technologies. • Regulation of economic sectors based on information technologies (mergers and acquisitions, regulation of monopolies and oligopolies, taxation). • Digitization of traditional businesses. • New digital business models. • Digital strategy. • Digital marketing. Digital skills, topics such as: • Communication in digital environments. • Collaborative networks. • Project management in virtual environments. • Online presence: creation and maintenance of websites, social media presence, monitoring... • Use of digital tools (Google Analytics, etc.).