# Dror Poleg - Rise of the 10X Class (Highlights)  ## Highlights - Salaries in the performing arts sector continued to rise even though the industry as a whole did not become more productive. - Baumol and Bower discovered that costs in some labor-intensive sectors are going up because of productivity improvements in goods-producing sectors. - This dynamic — wage growth in industries with low or limited productivity growth — is now called Baumol’s Cost Disease. - Technology made it possible for “a single outstanding performance” (and performer) to eclipse almost everything and everyone else.