Debbie Weil is a blogger and social assessor of some of the most significant world enterprises (many of them are listed in the Global 100 and Forbes 500). She gives speeches during conferences in different countries all over the world. She teaches the great companies how to develop their own blog, and make the best profit of this most democratic tool ever known in the history of communication.
Apart from her blog-oriented job, Debbie has got her own blog where she publishes very interesting information and a wide scope of marketing case studies. It's really worth to visit: http://www.debbieweil.com.