“For generations of Americans, comic books were the first real page-turners. But the audience for their digital counterpart, called Webcomics, has for the most part been limited to a niche group of comic book creators and their most ardent followers. Scott Mitchell Rosenberg, the chairman of Platinum Studios, a privately held California entertainment company that develops and adapts comics for other media, wants to change that. … Mr. Rosenberg plans to begin publishing Platinum’s comic books online before they go to press for traditional distribution through stores and newsstands.”