Joshua Paul offers 11 different skills that an effective community manager needs.
According to online community research and consulting firm, The Community Roundtable, communities and social media fit different types of business strategies. While social media and public social networks align best with less intricate markets and products, online communities are designed to support companies with more complex relationships, products, and customer support needs.
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New Studies Debate If Social Media Is Turning People Into Slacktivists – Online Fundraising, Advocacy, and Social Media – 
Ryan Leslie Bets on Community, Moving Beyond Passive Social Media Followers | ManagingCommunities.com: Community Manager Blog 
Social Media Manager vs. Online Community Manager: Same or Different?