Yahoo has emailed advertisers to let them know that they should expect a full transition to Bing's search results as early as August' 'or maybe 2011. That's a heck of a window! I mean, August is just around the corner and the busy holiday season is starts in just a few months. Either you're ready to make the transition or you are not. Why have marketers go through the process of prepping for the transition, if you're not entirely sure if it will happen now,