"BUSINESS & ECONOMICS / Management Science" . . "BUSINESS & ECONOMICS / Industrial Management" . . . . "Outsourcing." . . "BUSINESS & ECONOMICS / Management" . . "Online social networks." . . . . . "Guide to crowdsourcing"@en . "Crowdsourcing"@en . "Using online tools and social-networking sites, you can call people from all walks of life into action to help you accomplish a goal. This helpful guide gives you everything you need to know to launch your own successful crowdsourcing campaigns."@en . . "Crowd sourcing"@en . . . "Electronic books"@en . . . . . . . . "The complete idiot's guide to crowdsourcing"@en . . . . . . . . "Business networks." . . "Social networking." . . "BUSINESS & ECONOMICS / Organizational Behavior" . .