虚拟物品有什么用？
In general, before breakthrough in physics, i.e. before object teleporting is invented, all that can be virtualized is information. But see what the information revolution has brought us so far, information is so important.
What I am talking about here is not a totally virtual world, it's the hybrid of virtual and real world. This will fundamentally change our lives. We are living in a real world, but the real world has many hard-to-break physical laws, that is the point of virtualization which helps us to have power way beyond these physical laws.
A practical use of virtual&reality hybrid is again, navigation. Imagine when you are driving, you can see the names of streets projected on your wind shied as if they are actually printed on the street. When you should turn, you can see a pointer right at the intersection showing the correct direction.
it can be used to show all kinds of 标志、路牌、广告牌. All can be so easily deployed and removed using a computer.
Another, of course, the games. It would be so easy to turn your street block as a battle field.
Everybody has a digital device that is able to receive and present virtual objects, i.e. know where you are and which direction you face, download virtual objects, display virtual objects by projecting them into your vision, receive your input by means of voice, hand gesture. One can easily filter, search, and of course turn on/off virtual objects,
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