Dear Gianluca, perhaps the following article might be useful for your research: Subramanian, K. R. (2017). Product promotion in an era of shrinking attention span. International Journal of Engineering and Management Research (IJEMR), 7(2), 85-91. https://www.indianjournals.com/ijor.aspx?target=ijor:ijemr&volume=7&issue=2&article=014