This introduction presents an overview of key concepts discussed in the subsequent chapters of this book. The book is about a television presenters and it refers to the programmes on which they appear by the industrial term 'presenter-led'. Presenters operate as sites for media convergence and did so long before the internet arrived. Presenter-led television is less evident in DVD releases generally and in those catering either to nostalgia or to educational markets than is the case for scripted fictional programming. A number of discourse/conversation analysts, most notably Andrew Tolson, have also contributed through close scrutiny of the words used in the course of presenting, and their implication. The persistence with which the term 'personality' turns up, despite its rather old-fashioned sound to the contemporary ear, together with my inclusion of it in the title, requires explication. Most importantly, presenters are the hinge around which the sociable relationship with television operates.