Steve showed off Lady Gaga's page, including her feeds, latest activity, downloads, and upcoming concerts, which looked a lot like a Facebook news feed, but with the classic iTunes styling.
Read about Ping's security features after the jump.
You can follow, be followed, and also approve followers for your Ping page. You can also set up groups of friends to share with, instead of letting the whole world discover your page. Ping is open to 160 million iTunes users and is available immediately. Just head to iTunes, click "Ping" on the left column, and sign up. iTunes 10 and Ping are available on your Mac, iPhone, and iPod Touch today with a free download from Apple.