You could say the same for graphic novels in general. Why have pictures if text can suffice? Also take a look at Andrew Hussie's online graphic novel Homestuck.

You could say the same for graphic novels in general. Why have pictures if text can suffice? Also take a look at Andrew Hussie's online graphic novel Homestuck. It features not only animated (in flash), but also interactive segments. These serve to give better representation to the action than simply explaining all the stuff that happens. Then he goes back to posting large blocks of text with only a static image on top, when exposition and clever word-play is in order.