Nowadays, no one could sean live their livesfe without Internet or social media.

Because no one is singular you want to use can instead of could. “See” in this context isn’t the correct word. Because you no one is singular you want to use life instead of live.

Without any doubt, the Internet makes things happen easier for everyone, offering plenty of choices in almost every aspect of our lives.

“Without any doubt” is correct but the more fluent and American way would he “without a doubt”. “Happen” is unnecessary.

Almost sSimilarly is, the effect of social media which can unite the humanity in every area ofall over the planet.

“Almost” is unnecessary here. “Similarly” implies that they aren’t identical but almost alike. “In every area of” is correct but not very fluent and not how a native would phrase it. “All over” is a phrase used to describe how something covers an entire area.

To begin with, via, Internet and social media use gives everyone has the opportunity to be informed forabout anything is happening everanywhere in real time.

Nowadays, no one could selive their lives without the Internet or social media.

Without any doubt, the Internet makes things happen easier for everyone, offering plentya lot of choices in almost every aspect of our lives.

Almost similarly is the effect of social media which can unite the humanity in every area of the planet.

To begin with, via the Internet and social media everyone has the opportunity to be informed forabout anything that is happening everywhere in real -time.

In addition, they can improve their skills and knowledge by watching educational courses, or other programs about -for example- leisure and entertainment.

Moreover, anyone can build new relationships, make friends and find people with whom canthey share common interests.

Besides all the above, Internet and social media are also areas through which someone couldan earn money and even build a professional career.

In contrary, there are plentya lot of dangers and risks.

First of all, it is not a rare the phenomenon that people stuckget obsessed with the Internet and social media, and forget the real life.

Some of them "live" only via Internet and they don't have a social life out of itbecause of this.

They spent too much time on the Internet, so they are forced to stop other vital -for them- activities.

Moreover, in the Internet and social media, there are plentya lot of fake news, trolls, bullying and racism, making the situation even more difficult and complicated, especially for the more vulnerable ones.

So, in the later years, the Internet and social media have produced a brand new reality, which has been making people's life easier, but without erasing serious dangerous and threats.

Without any doubt, Internet makes things happen easier for everyone, offering plenty of choices in almost every aspect of our lives.

"Without any doubt" isn't incorrect but you could also try "Without a doubt". Also with capital I "Internet" it may seem more natural to write "the Internet". You could also try "internet access".

Almost similarly is tThe effect of social media which can unite the humanity in every area of the planet.

To begin with, via the Internet and social media everyone has the opportunity to be informed foron anything that is happening everanywhere in real time.

In addition, they can improve their skills and knowledge by watching educational courses, or other programs about, -for example-, leisure and entertainment.

Moreover, anyone can build new relationships, make friends and find people with whom canthey share common interests.

In contraryst, there are plenty of dangers and risks.

First of all, it is not a rare the phenomenon that people become stuck wion the Internet and social media, and forget the real life.

Some of them "live" only via the Internet and they don't have a social life outside of it.

They spent too much time on the Internet, so they are forced to stop other vital -for them- activities.

Moreover, inon the Internet and social media there areis plenty of fake news, trolls, bullying and racism, making the situation even more difficult and complicated, especially for the more vulnerable ones.

So, in the later years, the Internet and social media have produced a brand new reality, which has been making people's life easier, but without erasing serious dangerous and threats.