What is Future of Aviation after 20-30 years

Please try to be on topic, its very serious question.
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1. Well friends there are lot vews that this plane is best, that is best. But can any one thought and tell us that what will be future of aviation in new 20-30 years. !!! ???
2. Will it be as effactive as now it is !!! ???
3. Will there be need of aviation !!! ???
4. What will be future technology !!! ???
5. If not then what will be the shape of aviation???
6. Will missles technology take over aviation !!! ???

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YOURS VIEWS
NOTE: Please come with evidences and solid points