If you have yet to master the recent Sponsored Search changes at Yahoo! (specifically those related to pricing changes), Yahoo will be presenting a free webinar for advertisers on Thursday May29th to help you out. The Webinar aims to explain the changes associated with the pricing update and provide an overview of the new account features and functionality. Who knows, you might even gather some best practice guidance for keyword and ad quality management and working with those minimum bids. Register for Yahoo's pricing change webinar here.