WOC interfaces are often voting mechanisms that use a spectrum or a thumbs up/down system, but they could just as easily involve selecting a point on a map or drawing a shape.

• 要让人群真正聪明起来,它的组成也必须变化多端。群众智慧理论之所以会有效,是因为不同类型的人们彼此旗鼓相当。招募太多同种类型的人,结论的准确性将会受到影响。