MySpace To Join OpenID, Bringing Total Enabled Accounts to Over A Half Billion. Another 200 million OpenIDs—but the important difference between this and the Yahoo! and AOL announcements is that MySpace users know what their profile URL is. Whenever people have told me OpenID is flawed because people don’t understand URLs I’ve answered “sure they don’t, but they know their MySpace page”.
Sign in with 
OpenID
...and still only about 10 useful consumer sites to use them.
Yup, but the case for becoming a consumer grows even stronger. Seriously, if you're a startup and you turn down the chance to have every Yahoo! and MySpace user sign in to your site with a single click (using OpenID 2.0 where they don't even have to type anything) then you're Doing It Wrong.
It is already a good buzz! And it will be positive...