weeks - 3:59 pm on Jun 9, 2011 (gmt 0)
"Apps can read or play approved content (specifically magazines, newspapers, books, audio, music, and video) that is subscribed to or purchased outside of the app, as long as there is no button or external link in the app to purchase the approved content. Apple will not receive any portion of the revenues for approved content that is subscribed to or purchased outside of the app." -from section 11.14 of the revised App Store Subscriptions agreement.
For news providers, this may work.