Funny thing, I am currently working on 'interactive gaming' (Lotto online).

JSP is a data-driven program design method, (as distinct from Yourden, which is process-driven) and one cornerstone is that EVERY program has at least one serial data stream, whether a file or a conversation. The interaction of a user with a game is one such serial data stream. This can be demonstrated by programs which can capture the sequence of keypresses, mouse clicks etc, to a file and play them back to the program.

What Michael Jackson (No, NOT that one) didn't say is that the structure of one data stream can be validly represented in many different ways, depending on the use you want to make of it!

PS does anyone have the article which describes how to shoot yourself in the foot in a variety of different programming languages?