In this it says: Yet when I go to sign up it still says it is beta. EDIT:::: Oh nevermind. I confused Panama with YPN. Apparently two different beasts. Does anyone have a better source of when live == public? Because it certainly does not seem public for publishers yet!
This really won't be noticed by publishers. YPN posted an entry in their blog about this: http://ypnblog.com/blog/2006/10/17/changes-at-yahoo-search-marketing/ The changes are being rolled out to advertisers between now and early next year. Check out http://searchmarketing.yahoo.com/upgrade.php for the scoop on the advertiser side changes