Excerpt from the article intro: News curation is the act of finding, grouping, organizing and sharing the most relevant and noteworthy news stories about specific topics of interest.
Unlike traditional online news publishers (newspapers, magazines, TV networks) and blogs, which primarily create original content, news curators focus on finding (or cultivating)the best content that is already published.
There are three primary types of news curation sites, exemplified by Techmeme, Yahoo! News and The Huffington Post, each a leader in their category.
Via Robin Good