Well, there's no official claim like this coming from Infinite Loop, but it just so happens that Apple's student blog
is not only run off of WordPress, which has been a known fact
for a while, but Apple has now updated the site
so that is proclaims "Powered by WordPress" in the sidebar. Of course, this isn't an endorsement, as you'll notice from the text immediately above the "Powered by WordPress" bit.
I wonder if WordPress
's support of podcasting had anything to do with the move...