I disagree because the internet isn't the most important invention ever, due to the disadvantages that it have the first is unsafe the second it is able to separate the people. also I think that the history have been a big number of inventions most important that the internet by way of example the electricity and language.
You begin your essay with expressing your opinion on the issue. It is better if you first introduced your topic to the reader and then expressed your view - The main objective of the introduction is to introduce the topic to the reader.
The first reason is that the internet is unsafe , because this tool in many cases is used for commit a crimes such as robberies and child pornography the previous opinion is based on the high levels of crimes that used the internet as tool, these are provided by internationals organizations each year.
First, the Internet has many issues with regard to its usage as it has been used to commit crimes such as robberies, murders and pornography in many instances throughout the globe.Furthemore, I know that in many country the laws punish cybercrimes, in these always used the internet as tool by crime.
Well your body paras need more flesh :D ... First tell the reason and then support it with an example.