In a world of abundance, scarcity evolves. While pre-internet scarcity was about a physically constrained, or otherwise limited, number of resources, post-internet scarcity is about separating signal from noise.
"All parts of our economy were previously based on scarcity. In almost every case, that scarcity has disappeared. The way you win on the internet is to be the starting place where people go - Google, Facebook, these aggregators - or you're highly differentiated and you leverage the fact that you have zero distribution to reach anyone."