In the Future of the Web feature I wrote for the November issue of PC World, I suggested four trends that could cripple the Internet. Several readers disagreed with one of the trends I called out: the crackdown on video-sharing sites putting a damper on public opinion and discourse.The bigger issue is, I think, what material should be copyrightable, and are the existing rights associated with copyright law appropriate for today's soaking-in-multimedia world? more....