I have been a part of a project/product where we did have similar discussions and ensuring that people are getting information relevant to them. The filter bubble that Eli Pariser mentions in his talk is exactly what we did try to build in our product and are even trying to do so today. We pick up programs that people have selected and we then pass on content based on the selections.
Reports are swirling around the Internet that Google is in the advanced stages of testing a music service that could one day rival Apple iTunes. The reports come amid ongoing online murmurings that Google is working away on a social networking platform behind closed doors.