Matt Cutts, a software engineer and head of the webspan team at Google, tweeted that “Googlebot keeps getting smarter. Now has the ability to execute AJAX/JS to index some dynamic comments,†two days ago. Although it's unclear exactly what “dynamic ....................
Yea.. Its a great and big move. But I am just wondering whether Google is crawling other files in AJAX and JS other than facebook comments.
Its true!! Public face book pages are just like forums. And every comment can be seen. Spammers will definitely enjoy this!! But its safe that private pages are not shown in results.