Nasdaq Data as a Service

http://blog.programmableweb.com/2010/11/08/nasdaq-continues-the-data-as-a-service-trend/

We'll see more and more business data sources exposed as data services.
This is more or less what Microsoft Azure DataMarket tends to generalize.
Today it is mostly limited to read-only kind of access, but I'm confident data manipulation services will follow soon.

Now, the 2 big questions:

1. How to widely enable all these data services, 
2. and how to easily combine these external data services with other heterogeneous data models?

This is exactly where Data Services Platforms have a great role to play.