This was the keynote address to the Association of Cultural Economists International (a very good group, sadly not enough Americans attend); the very able Michael Rushton summarizes some parts of it. His end take:
Will these innovations kill the live performing arts? He doesn’t think
so: doing lots of stuff on the web probably cuts into the time we might
have spent passively in front of the TV, but at the end of the day we
want to go out and about. Museum visits are rising, not falling.