SF CHRONICLE -- Dec 10 -- Unique visitors to LinkedIn, a business social network, grew to 4.9 million in November, according to Nielsen Online. In all, LinkedIn has 17 million members and expects up to $100 million in revenue in 2008. LinkedIn's most similar rivals are Doostang, Xing, Ecademy and Spoke. All of them are smaller in size, but follow the same strategy of focusing exclusively on professionals. FULL ARTICLE @ SF CHRONICLE
Mark Brooks: The summer 2008 Social Networking Conference in San Francisco will be focusing on business social networking and mobile.