Writing prompt: Will E-book Be Necessary in the Future?

Student essay:
We are now living in the age of information .Various electronic products like e-books are filled with our daily lives and they play an important role in our lives gradually .They have a trend of popularity. Many students now use them widely and they have possibilities to replace paper books.
However ,we should treat them in a wise way .Because they bring us many benefits and at the same time they have drawbacks unavoidably as well .
For one thing ,they have their own advantages .First ,we can get the important information we need from e-books at anywhere and anytime .Second ,many contents can accept by many users at one time .Third ,they are very convenient for us to study and they have no damages to our eyes .Fourth, e-books are very portable and have massive storage .
For another thing ,they have many disadvantages .They are sometimes very expensive and people can not afford them .What's more, many people always rely on e-books and don not want to think by themselves, which makes them lazy. There are many games in them and many students spend much time playing games instead of studying, which makes parents worry about their children .E-books have much radiation , which causes damage to our skin. Last but not least, we can not mark on e-books , so we can not find the keys clearly.
Personally I think , there are more advantages than disadvantages, we should keep pace with the world ,e-books are widely spread ,we need to adapt to them and make full use of them. They are the symbol of the new time. Use them in a correct way , and we will success.

Corrected essay:
We are now living in the age of information. Various electronic products like e-books are part of our daily lives and they play an important role in our lives gradually. They have a trend of popularity. Many students now use them widely and they have the possibility to replace paper books.
However, we should treat them in a wise way because they bring us many benefits and at the same time they have drawbacks unavoidably as well.
For one thing, they have their own advantages. First, we can get the important information we need from e-books anywhere and anytime. Second, many contents can be accessed by many users at one time. Third, they are very convenient for us to study and they cause no damage to our eyes. Fourth, e-books are very portable and have massive storage.
For another thing, they have many disadvantages. They are sometimes very expensive and people can not afford them. What's more, many people always rely on e-books and do not want to think by themselves, which makes them lazy. There are many games in them and many students spend much time playing games instead of studying, which makes parents worry about their children. E-books have much radiation, which causes damage to our skin. Last but not least, we can not mark on e-books, so we can not find the key points clearly.
Personally I think, there are more advantages than disadvantages. We should keep pace with the world. E-books are widely spread. We need to adapt to them and make full use of them. They are the symbol of the new time. Use them in a correct way, and we will succeed.