Power law exists in every industry and the profits from the top sellers do indeed fund the long-tail. This is true of music, books, art, everything. The hits

Power law exists in every industry and the profits from the top sellers do indeed fund the long-tail. This is true of music, books, art, everything. The hits will always be present, and this is OK so long as the underlying businesses continue to invest in the long tail to fund the next generation of writers.