Pandora – Social Music Genome
http://www.pandora.com/ - wow.
Like Last.fm, it’s a social music service, but it seems so fluid and intuitive that your initial response might be like mine – “Hmmm. Why didn’t I hear about this before?” – the reason: the Distributed Human Technology Mind Link (DHTML) is ever-changing and dynamic. Welcome, Web 2.x; welcome.