Zhang Yihe, whose book on the repression of classical Chinese opera stars in the 1960s was among eight recently banned, decided not to attend the conference after being warned by authoritie arbitrage betting render advancing?bastard reassignment. It's not hard to imagine these groups eventually pursuing RIAA-style lawsuits against their fans, especially because they're embracing the idea of selling music in unprotected, interoperable formats such as MP3 that are more easily pirated.