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3 Smart vocal assistant
the first example of this category is the “Amazon Echo” device that answers any question you ask, it can be placed in the house and will be able to hear the sounds and it can also help to do some tasks at home.
2 Use of lights to move things
this technology is still under development but it is near to be a reality where the rays of light can move some objects from its places.
1 Humans genetically modified
You may have heard about researches who can make some modifications in humans genetic.
This positive development can be used to eliminate disease carrying genes.