Writing Feedback / discuss the changes in society which have an efect on teenagers? [4]

hi..please check if my introduction is good.and do tellme what is wrong and what should have been added instead!

changes in the society are inevitable.A society cannot remain static.changes are intrinsic for the ultimate progress of the society.being part of this fast movin and sophisticated world,the teenagers are mostly targeted due to drastic changes.these fundamental changes in society which have agreat impetus on the reenagers may either be beneficial or malevolent also.these influential changes have help a handful teenagers to achieve a bright future while others are still ensnared in the vicious cycle of failure.