Sure.  The split has existed since at least the second Assembly in 1993.<p><a href="http://en.wikipedia.org/wiki/Assembly_demo_party#Demo_and_intro_competition_winners" rel="nofollow">http://en.wikipedia.org/wiki/Assembly_demo_party#Demo_and_in...</a><p>I haven't been able to find an earlier example of the split; prior to that, it seems demos simply did not compete with size limitations.