In next 20 years

I think that technology and sience will be developed more than now in the future.
For example, if technology is developed, we have robots which move and work like human.
In addition, if sience is developed, we have medicine which cure cancer soon.
Therefore, I think that our life are more convenient than now.
However, the difference between rich and poor countries or person is more big than now.
It is not good problem.
The difference have been already big now, so we should stop the progress of it before it have been big more.

I think it is very important to develop technology and sience.
But we should remenmber that it bring a lot of problems to us.