<i>The battle between universal software and proprietary apps is also, in other words, a battle between two models for the future of personal computing. While both models will almost certainly survive, only one will be the dominant model.</i><p>Why does one have to be "dominant"?  What does that really mean?  Are mainstream movies and books "dominant" and why should I care?  Actually the answer is, "yes they are dominant." But the following "why" is the interesting part.<p>So long as there's a choice, the forces of openness are winning.