What will happen in 50 years?

I think in 50 years, all our current technology will be very advanced, and continuing our current trend, we will be on iphone 55. medical technology will boom as well, we will have clone where we can replace our brains with when we get too old and our body starts to wither away. i also saw i the news that there can be a train that can be 2 tiems faster than an airplane, and we can reach american from taiwan in two hours. that would be so awesome sicne we cna visit other countre very cinies during the weekeds in the future. you can literally be lik, hey dude! lets go to france today! everything will be very convient and entertaining. in 50 years, most of htc devoloping countries will be developed, and maybe we will even build spaceships and consider colonizing the human race. by the trend of technological increase, anything is possible