Robin Good: FanNewscast is a web-based service which allows you to easily customize a branded news content channel focusing on the specific interests of your Facebook fans.
Your curated news channel is showcased inside one of your Facebook "tabs" and you can personalize its content by tapping into over 500 already curated channels of news. You can further refine your news channel by adding and removing content sources and applying keyword blacklists.
See this real-world example here: https://www.facebook.com/JAltucher.Blog/app_276311749132109
N.B.: Pricing info not publicly available.
You can request a demo here: http://www.fannewscast.com/contact/?mode=requestdemo
More examples: http://www.fannewscast.com/examples/
How it works: http://www.fannewscast.com/facebook/solution/
More info: http://www.fannewscast.com/
and on: http://itagility.biz/