hello? I have a problem on my site statistic. I pass before my sitemap to yahoo. And I encountered an Outdated Url messages. Is this a big problem? How can I fix this one? My site development is still on going. so some of my original content has gone and change. So I created another sitemap and I pass it to yahoo. How can make an update if there is a some new changes on my site. Hope you can help me on this. thanks