Apple revealed iTunes 10 and it’s very own music social network called “Ping,” which is described as Facebook meet Twitter for music. 

Ping allows users to follow others, just like Twitter. You can follow artists or your friends to find out what they’re listening or what they’re creating. It has custom song and album charts, a news feed, 17,000+ concert listings, and is available to 160 million iTunes users. Ping will be available not only for iTunes on the desktop, but for iPhone and iPod touch as well.