Social Networking sites on Data Mining

In KDNuggets, there is a list of Social Networking groups about Data Mining, Analytics, Web Mining, and Text Mining:

• LinkedIn: ACM SIGKDD.
• LinkedIn: Business Analytics
• LinkedIn: Business Intelligence & Analytics Group.
• LinkedIn: Data & Text Analytics Professionals
• LinkedIn: DataShaping Advanced Analytics.
• LinkedIn: Machine Learning Connection.
• Facebook group: Analytics, Data Mining, Predictive Modeling, Artificial Intelligence
• Facebook group: Data Mining / Machine Learning / AI
• Facebook group: Text Mining & Text Analytics Professionals
• Facebook Users Against Personally Targeted Advertising and Data Mining