How effective is Google now at handling content supplied via Ajax?

How effective is Google now at handling content supplied via Ajax, is this likely to improve in the future? Ant, Lancaster Have a question? Ask it in our Webmaster Help Forum: www.google.com Want your question to be answered on a video like this? Follow us on Twitter and look for an announcement when we take new questions: twitter.com More videos: www.youtube.com Webmaster Central Blog: googlewebmastercentral.blogspot.com Webmaster Central: www.google.com