Writing: Is the Internet the Greatest Invention of All time?

Nowadays, I can say that people won´t know wouldn't know how to live without the Internet, starting for with me. Although Fleming did a good job a few years ago too, the Internet is the greatest invention of all time.
Firstly, the Internet is used for both children and adults in this time now. Children use it to play games, but adults use it to do their lifes make their lives easier. Everything works by the Internet, things that we don´t even know.
As far as I´m concerned, I´m connected almost all day, both at home and at the office. On the one hand, I look at my personal e-mails and I consult my bank accounts at home and, on the other hand, I´m always working online at the office.* 
In addition, not only can we can surf by connect through our computers, but also we can do it by so through our smartphones. Who doesn´t have a smartphone nowadays?
However, the fact that we can´t live without the Internet would be able to could become a big problem; what would be the matter happen if it fell ever went down? Would it be the end of the world?

*"on the one hand...on the other hand" is usually used to convey differing opinions.  For example, "On the one hand, Larry says the screen is white.  On the other hand, Frank says it's black."  Here's a possibility for your sentence: "For one, I look at my personal e-mails and I consult my bank accounts at home.  Plus/Secondly, I´m always working online at the office."

Yes it would!!  Excellent essay.

Writing: Is the Internet the greatest invention of all time?

Nowadays, I can say that people don't won´t know how to live without the Internet, starting for with me. Although Fleming did a good job a few years ago too, the Internet is the greatest invention of all time.
Firstly, the Internet is used for by both children and adults in at this time, children use it to play games but adults use it to do make their lifes easier. Everything works by the Internet, things that we don´t even know.
As far as I´m concerned, I´m connected almost all day, both at home and at the office. On the one hand, I look at my personal e-mails and I consult my bank accounts at home and, on the other hand, I´m always working online at the office.
In addition, not only we can we surf by our computer, but also we can do it by our smartphone. Who doesn´t have a smartphone nowadays?
However, the fact that we can´t live without the Internet would be able to could become a big problem, what would be the matter if it fell down disappeared / broke / collapsed? Would it be the end of the world?