What Is Social Entrepreneurship?

From Wikipedia:
Social entrepreneurship is the work of a social entrepreneur. A social entrepreneur is someone who recognizes a social problem and uses entrepreneurial principles to organize, create, and manage a venture to make social change. Whereas a business entrepreneur typically measures performance in profit and return, a social entrepreneur assesses success in terms of the impact s/he has on society. While social entrepreneurs often work through nonprofits and citizen groups, many work in the private and governmental sectors.