http://www.rescuebuzz.com is a social media site geared toward law enforcement officers, EMS workers, and fire fighters. Visitors can post links to news stories, websites, equipment reviews or blogs then other members can rate the links. What normally happens is the best stories rise to the top, allowing you to quickly find the most interesting news of the day. This interaction of visitors voting on links helps a casual viewer find an interesting item based on the wisdom of the voting crowd.