I disagree with the idea that in the future robots will be very useful.
First, robots will not be able to do all of our work.
They will not have emotions like humans and understand our thinking.
Second, robots will not be able to do complicated and skillful things like playing games and driving a car.
Next, if robots can do most of our work, we will become lazy.
Finally, some people will use robots to do bad things.

In the future, robots will be very useful. For example, home robots will be able to do our housework. Teaching robots will be able to help children do their homework. Worker robots will be able to build the houses. Doctor robots will help sick people. Space robots will be able to build space stations on many other planets. And the specially, robots will be able to do dangerous work for us. They are very useful and nessary in the future.