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NpTech Tag: Change.org To Launch White-Label Social Network for Nonprofits, GeekToys that Give Geekbumps, and Blog Readability

Beth's Blog: How Nonprofits Can Use Social Media

Social Change Websites is an excellent directory of the best nonprofit, grassroots, and advocacy campaign websites devoted to social change. " The article refers to the Dunbar number - 150 - the ceiling on the number of personal contacts a human has the capacity to maintain.