Everyone at SUN can blog..
blogs.sun.com is an official site set up by SUN, so all their employees can blog. - This
Infoworld article discusses some of the aspects of it. All in all, I think this is a very interesting move. Now, I don't know what SUN would do if any internal information would leak that way.
By the way, on blogs.sun.com, there's also
this blog entry about getting hit with a Denial-of-Service attack just prior to an official announcement.