Just got this from yahoo..
We are providing you with a quick and easy way to learn more about the new Yahoo! Search Marketing Sponsored Search account platform.
We are offering online webinar training sessions to provide advertisers with information about the new Sponsored Search. The webinar will provide an in-depth overview of the account upgrade process, the enhanced account interface and also provides an opportunity for you to have your questions answered on the account upgrade. These sessions, which will last 1 hour each, are offered free as a service to our valued advertisers.
To find out more information and reserve your place at one of our webinars please visit: http://newsponsoredsearch-yahoo.webex.com/.
We look forward to helping you gain a better understanding of the upgrade to the new Sponsored Search platform.
Yahoo! Search Marketing