User blog comment:Dopp/Communicate Easily with Message Wall/@comment-3279487-20111019184647/@comment-1656630-20111020204520

We'll do that when we know more about the feature and are closer to a date when it affects more people. We learned from a recent survey that most users want to hear about changes about a week or two before they need to adapt to them. And frankly, there are a lot of aspects of this feature that are likely to keep changing before we get there.