Prepare your apps for Windows 8 and beyond

As an App developer in the UK I am dissapointed that MS has thus far failed to deliver on the availability of their advertising platform to developers in the UK (and elsewhere). Do you anticipate similar issues with the advertising SDK for Apps in the Windows Store for devs in the UK?
(With apologies if this is outside of the scope of the session)
Thanks,
Guys, is this a joke, have you seen how easy it is to bypass/remove/crack the trial period of Window 8 apps? In fact all Windows 8 store apps have their source code stored in plain text on the users device, ready for a hacker to do a quick modification and bingo, no more trial period, no more revenue for the poor developer!<br><br>This platform sucks bad.