business

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LinkedIn is an international community for businesses and professionals with features fine-tuned to help you use resources and share ideas with other professionals world-wide.

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An online real estate marketplace and social network for home buyers, home sellers, and real estate agents.

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A social network where users propose and fund projects.

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Jigsaw is a wikipedia-like database of business contacts where your access to records depends on your contributions to the community.

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XING is a network of professional contacts to search for jobs and companies, share ideas, and find professionals in any area of expertise.

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Spoke provides tools and information to help you organize and connect with business people worldwide.

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A social network that connects bloggers with advertisers.

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A network where business owners are paid to share, discuss and collaborate.

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A microfinancing community connecting lenders and entrepreneurs with the goal of alleviating poverty.

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Professional world-wide social network dedicated to networking, business, and careers.