Essentially what you're saying in this post is that new products emerge over time and cannibalize the market for old products. Not exactly an earth-shattering o

Essentially what you're saying in this post is that new products emerge over time and cannibalize the market for old products. Not exactly an earth-shattering observation, nor one that's unique to the past 50 (or 500) years. Which is probably why it's (hopefully) not the observation Leslie was attaching his name to...