I found a comment on this post intriguing:
"We have a company in our portfolio that I will be writing you about shortly. It has an advanced, scalable, personalized subscription engine that enables intelligent, automatic and real-time delivery of any RSS-published multi-media content to any Internet-connected node, including software and hardware devices. As an example the “My Subscription” feature can now have customized feeds like: First 5 mts of CNBC and Bloomberg news, Traffic Conditions on 680 to Sunol, First 20 mts of Howard Stern, Music & blogs.
The correlation engine is a patent-pending, in-memory process that employs state-of-the-art algorithms to match vast patterns of personal preferences to media content AS IT IS PUBLISHED. The unique preference matching is coupled with automated delivery of multi-media content, making it the a unique if not only solution of its kind in the market today."
