The ever-evolving themes relating to digital advertising represent an increasingly important investment in the marketing and communication strategies of companies. Understanding the logics, models, strategies, tools and main channels is essential from a managerial point of view for defining a marketing strategy.

The shapes of the spectrogram (or sonogram) reflect the patterns and movements of the mind that tries to decompose and recompose the fluctuating dynamics of the digital world. The shapes recall those of a sound wave, the essence of communication.