What's the Difference Between the Computer and the Interator X Book?

One of the seeds that you planted throughout that does not come up, i don't think, in the interator x book was the computer two point. What would that have been? There is a clear difference between how iterators are presented in iteration x convention book and en in these later four. Anditosom we allowed that to kind of let us gon o go a little bit wild. S likew we just get to reacttiv people who are shrieking out.