In the coming years, HBO wants its new Harry Potter series to become "the streaming event of the decade" as it adapts each of the franchise's seven original books. The show could very well become a hit that captures the imaginations of a new generation of fans who weren't there for the first wave of Pottermania that intensified with the releases of each book and Warner Bros.' subsequent film adaptations. And if this Harry Potter is a success, it could give author J.K. Rowling a reason to consider writing more stories set in the magical world that turned her into a billionaire.
But all of that hinges on whether people will actually watch HBO …
