We'll probably also need some assurances that such pages won't reappear on the sites before the domains can be re-included.
"Matthew "Matt" Cutts" leads the web spam team at Google, and works with the search quality team on search engine optimization issues.More Matt Cutts on Wikipedia.
Take this as a rule of thumb. There are smart folks doing this transition, and they're deciding how to do it in the best way.
Most of the changes are under the hood, and this infrastructure prepares the framework for future improvements throughout the year.
That's a violation of our Webmaster quality guidelines, specifically the principle of 'Don't deceive your users or present different content to search engines than you display to users'.