“…We believe that the platforms under analysis in our study fall into the last category, as they directly mediate professional services. Several authors De Groen, Maselli, & Fabo, 2016;Fabo, Beblavy, Kilhoffer, & Lenaerts, 2017;Guarascio, 2018;Kenney & Zysman, 2016;Mexi, 2019;Pesole, Brancati, Fernández-Macías, Biagi, & González Vázquez, 2018) have also identified criteria for further differentiation, examples of which are given below. First, platforms that act as intermediaries between labour supply and demand can be categorised based on the way the service is performed (i.e., physically, such as babysitting services, or online, such as medical teleconsultation services).…”