BING LAUNCHES FACEBOOK APP
According to the announcement, the new app makes it possible for users to control what and how they share. For example, users can share and comment on a specific article, or enable sharing when they subscribe to categories and read articles.
Read more:
http://www.bing.com/community/site_blogs/b/search/archive/2012/09/14/introducing-my-bing-news-on-facebook.aspx
http://searchengineland.com/bing-news-facebook-app-133478