Yes the world is changing very rapidly. Many countries are adopting new technologies in many fields. As long as drones are concerned they are playing vital role in the modern era. They are being used in photography, security and agriculture for spraying. Now there are many companies like DJI, Parrot, Yuneec and many more. I think the most leading among them is DJI, recently I was viewing the specs of its Agras T16.
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After that I realized that how even farmers are adopting the drone technology.