Based on the concepts of “word-of-mouth” effect and viral marketing. the diffusion of an innovation may be triggered starting from a set of initial users. Estimating the influence spread is a preliminary step to determine a suitable or even optimal set of initial users to reach a given goal. In this paper. https://www.diegojavierfares.com/quick-grab-Originale-Ford-Tourneo-Custom-dal-09-2023-Tappetini-moquette-standard-posteriori-limited-choice/