At first glance, everything that comes with technology iseems positive. At first glance, everything that comes with technology seems positive.

Nothing wrong with your sentence here - however, usually, "at first glance" is paired with "seems"

At first glance, everything that comes with technology iappears positive. At first glance, everything that comes with technology appears positive.

But, all that glitters is not gold because excessive dependence (or dependency?)y on technological advances could be harmful. But, all that glitters is not gold because excessive dependency on technological advances could be harmful.

But, all that glitters is not gold because excessive dependence (or dependency?) on technological advances could be harmful. But all that glitters is not gold because excessive dependence on technological advances could be harmful.

I think dependence works better here.

For instance, nowadays many people are unable to get byaround in an unknown city without using a GPS. For instance, nowadays many people are unable to get around in an unknown city without using a GPS.

"get by" = survive, often used in the context of money

For instance, nowadays many people are unable to get by in an unknown city without using a GPS. For instance, nowadays many people are unable to get by in an unknown city without using GPS.

As far as I am concerned, the main invention in the last yearfew decades was the Internet. As far as I am concerned, the main invention in the last few decades was the Internet.

One reason for thinking this is it changed the way we buy all kinds of things. One reason for thinking this is it changed the way we buy all kinds of things.

I think "all kind of things" works, but typically we say "kinds of things" because it flows better!

One reason for thinking this is that it changed the way we buy all kind of things. One reason for thinking this is that it changed the way we buy all kind of things.

One reason for thinking this is it changed the way we buy all kinds of things. One reason for thinking this is it changed the way we buy all kinds of things.

Another reason is that it gives us access to a massive amount of information of any type. Another reason is that it gives us access to a massive amount of information of any type.

Another reason is it gives us access to a massive trove of information of any type. Another reason is it gives us access to a massive trove of information of any type.

Last but not least, the Internet is the biggest advance in the human history in relation withed to communication between people. Last but not least, the Internet is the biggest advance in human history related to communication between people.

Last but not least, the Internet is the biggest advance in the human history in relation withgards to communication between people. Last but not least, the Internet is the biggest advance in human history in regards to communication between people.

To sum it up, most technological advances are great, but we have to set the limit to not overuse them and create a wrong dependency. To sum it up, most technological advances are great, but we have to set the limit to not overuse them and create a wrong dependency.

The expression is usually "to sum IT up"

To sum up, most technological advances are great, but we have to set the limits to not overuse them and create a wrongnegative dependencyies. To sum up, most technological advances are great, but we have to set limits to not overuse them and create negative dependencies.

To sum up, most technological advances are great, but we have to set thea limit to not overuse them and create a wrongto avoid creating harmful dependencyies. To sum up, most technological advances are great, but we have to set a limit to not overuse them to avoid creating harmful dependencies.