We've improved Slashdot's video section; now you can view our video interviews, product close-ups and site visits with all the usual Slashdot options to comment, share, etc. No more walled garden! It's a work in progress -- we hope you'll check it out (Learn more about the recent updates).
While I don't agree with Apple's practices in this case, the NDA notice on the email is just from one of the individuals working in App Store Review. It's also the same signature that comes out with a lot of stock apple mails (eg bug report responses)
http://daringfireball.net/2008/09/app_store_rejections has a good summary of events.