Apple said that in less than 48 hours since its launch on Sep 1st, "more than one million users have joined Ping."
"One-third of the people who've downloaded iTunes 10 have joined Ping," said Eddy Cue. "As many more people download iTunes 10 in the coming weeks, we expect Ping community to continue growing."
Ping lets you follow your favorite artists such as Lady Gaga, Coldplay, U2, Jack Johnson, Yo-Yo Ma and more, to see what they're up to, check out photos and videos they've posted, see their tour dates and read comments about other artists and albums they're listening to. In addition, you can post your thoughts and opinions, your favorite albums and songs, music you've downloaded from iTunes and the concerts you plan to attend.