The reason of media convergence

In this video I discuss storytelling. Our current mode of storytelling has become more important than the forms of storytelling that existed in any other age. Why? Storytelling in the past lacked the options presented by a diversity of media available for expression, unlike what we have today.

When we talk about storytelling, what is the sort of storytelling that the media wants? Or is storytelling a core element that can be applied to any media form?