Furthermore, where network effects are present, industries operate by different rules.17 One reason is that it is far easier to scale network effects outside a firm than inside it—since there are always many more people outside a firm than inside it. Thus, where network effects are present, the focus of organizational attention must shift from inside to outside. The firm inverts; it turns inside out. The management of human resources shifts from employees to crowds.18 Innovation shifts from in-house R & D to open innovation.19 The primary venue for activities in which value is created for
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