As you are preparing for IELTS, you must write at least 250 words in this essay.
Internet
the Internet
every coners
every corner
as a result; it connects us much closer than ever.
You could start a new sentence from here. Also, the semicolon is wrongly used. It should be replaced by a comma.
a very first important point
the first important point
To start with, a very first important point to consider is that there are an enourmous number of people using Internet all over around the world.
I think you should start each body paragraph with a reason why the Internet makes communication easier such as social network sites.
I hope this helps!