The document discusses the need for a new type of professional development social network that combines elements of LinkedIn and Instagram. It notes that while LinkedIn was revolutionary in 2002 for connecting professionals, and Instagram made sharing experiences casual and in-the-moment, current generations expect social platforms to be more dynamic. The proposed new network, called Chet, would focus on sharing content about books, podcasts, courses and events in a personal, engaging way driven by community and machine learning, unlike existing professional networks.