They paint a picture of a world in which individuals, companies, institutions, and governments must deal with two realities, one physical, and one virtual.
他们描绘了这样一个世界：个人、公司、机构和政府必须应对两种现实，一种是物理现实，一种是虚拟现实。
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Sites like Facebook hop between the physical and the virtual, encouraging young people to join groups and events that introduce them to new physical realities.