How to Build a Product in a Forceap Exchange?

If you're an ap in s forceap exchange, do you have to keep all the compute and storage local to sales force infor structure? Or can you pipe the data out to your own servers, do stuff with it and pipe it back? Maybe none of us actually know the answer to this question. And i think that we should anticipate that if this model is to be successful, there will be real constraint around the way that you have to build products. The minute that the data can escape the platform, then they can't really provide any guarantees around it. I think it's about storage as well. If these aps store, take the data and then store them somewhere else,