past present and future

past  present and  future.   A  few years ago  ,   people  walked  everywhere .   They  used to  letter  to  communication and  shop at  grocery  stores . although they  are  has not food and clothes enough . but  nature is  so  beautiful .no  pollution .  These  days, the   population  is  growing so fast . The  cellphone who  everyone has.   They  shop at  supermarkets and  they  drive cars instead . It's  make more  pollution and   traffic jam. people  are  busy  all  day  still   middlenight .especially  young man  .maybe  they   costs   all  night  to  play  games .that's  a  bad  hobbies. In   the  future ,  people  are  going  to  use  flying  cars  .go around of the  world.  probably they  can  going  to  space . no  food  .no water and no  clothes .  return  to  innocence.but  they  will  be good  healthy.