2.Cars won't need a human driver! Some cars don't even need a driver these days!
3.People may be able to life 120 years.
4.Robots will cook our meals! we can watch TV while they do it.
5.There may still be pens and pencils.
6.We will use our mobiles to turn on everything! Even now this is a thing.
7.We may work at home in 2040.
8.There will be a lot of shops and town centers! Maybe 10 shops in a small city.