Designers make applications/expansions that make the stage more important for clients. Clients draw in engineers, yet additionally more designers implies more applications/expansions, which pulls in more clients (bi-directional system impact).

Moreover, some applications will have their own same-side (Instagram) or potentially cross-side system impacts. These supplementary system impacts add to the system impact speed of the stage. For instance, absence of Instagram support of Windows Phone made it troublesome for Microsoft to contend with iOS.