Yahoo has long considered itself to be a provider of higher-end media, combining news and features written by its own staff with paid news feeds, and then adding curated links to other sites' content.

In software engineering, mashup implies technologies and patterns for combining data, UI components, and processes to create new Web applications and sites.

Or perhaps you have set up your own personalised filtering system, either via a configurable news site, or by combining news feeds from your favourite sites.