The document discusses different types of convergence in media including synergy, technological convergence, and digital convergence. Synergy refers to different companies collaborating to promote each other's products, like a movie and fast food tie-in. Technological convergence occurs when new technologies perform the same tasks as old technologies in more advanced ways. Digital convergence involves the combination of four media industries into one conglomerate allowing content viewing across different devices. Examples provided include synergistic products related to Indiana Jones and Harry Potter films promoting across related media and different technological aspects used to enhance movies like Gravity and The Quiet Ones.