They’re back up (well, the wave files anyway), thanks to the Internet Archive.
High frequency wave files back up again
Architecture & urbanism, Art making a point, Audio, Blog, Cell phones, Civil rights, Consumer rights, Control, Creeping erosion of norms, Crime, Design, Design engineering, Design with Intent, Designed to be unpleasant, Disabilities, Discrimination, Discriminatory Architecture, Distasteful corollary, Do artifacts have politics?, Dystopia, Engineering, Engineering design, Entertainment, Erosion of liberty, External Control, Fightback Devices, Gadgets, Health and safety, Innovation, Interaction design, Intrusive technology, Invention, Killjoy technology, Liberty, Mobile phones, Mosquito, MP3, Music, Open source, Oppression, Orwellian, Philosophy of control, Podcast, Political design, Product design, Retail, Ringtones, Shopping, Sneaky, Social engineering, Sound weapons, Techniques of persuasion, Technology, Technology policy, Teenagers, Underclass, Urban, User experience, User Psychology