In a recent Article, author Greg Satell describes strategy in a post-Digital world. Michael Porter positioned Competitive Advantage and dominating value chains as the foundation of strategy. Like many of our institutions and ideas, multiple forces are pushing that view into the dustbin of history. Two key forces are the shift to horizontal ecosystems versus vertical value chains, and technology cycles outpacing planning cycles. I have written extensively about Ecosystems and their impact on the value equation. Maximizing bargaining power among suppliers, customers, and new market entrants gives way to value-sharing scenarios where all participants in an ecosystem win.