I view a time when the mail began to play a significant role in our life may date back to The Stone Age or earlier.
I don't find this a catchy way to open your essay. It is always better to begin your essay with a very clear, interesting idea that provides a smart entrance to your essay.
This days,These days / This day
As new technology has its
advantages and disadvantages , the e-mailstoo have
There is no need to use another papers orcorrection tools
... well, in emails too, you can use the speller checker which is a tool for correcting spelling mistakes.
The paper mail must be delivered by post office workers to its address.The paper based mails need to be physically delivered to the recipient which takes a longer time.