We came to know that free access to iPad news publication app The Daily which expires today, 15th February has been extended to 28th February. This indicates that Apple will release iOS 4.3 on 28th February which will bring support for the in-app recurring subscriptions as we know The Daily relies on in-app recurring subscription. So until the release of iOS 4.3, subscription of The Daily is not possible. For your kind information The Daily for iPad was released on 2nd February and it was came with two week free trial from Verizon.
So after the release of iOS 4.3 The Daily in-app recurring subscription is possible. It is expected that iOS 4.3 will be released on 28th February as the free access to The Daily app has been extended to 28th February. Well, We have to wait till 28th February for the public release of iOS 4.3 and to subscribe The Daily app.
Beginning iPhone 4 Development: Exploring the iOS SDK