Google Webmaster Central adds a new feature "Message Center"

Google Webmaster Central announced yesterday the addition of a message center to the Webmaster Console (Webmaster Tools>Dashboard).

What are they going to transmit with site owners about? In the instance on the blog post, they sent a content to a site proprietor about an infringement of the quality guidelines (specifically, concealed text on a site).

The Message Center is accessible in all the languages and countries that Webmaster Tools is accessible in (the blog post mentions “French, Italian, German, Spanish, Danish, Dutch, Swedish, Russian, Chinese-Simplified, Chinese-Traditional, Korean, Japanese, etc.”).