error, better, notes.

What do telecommunication technologies mean for us? (Part 2)

...

More later Later, when the telephone was invented, and then radio and television were invented, the first information about any discovery one could faster yet  was even faster – in hours and or even in minutes.
Today nobody wonders with computer, the internet, and mobile telephones.

or

Later on, when telephony was invented ...

All of this very relieves (lightens, facilitates) the process of getting and transmitting of new knowledge and information.

Especially it could be is useful to students, who cannot get out of their homes (not leaving their homes) because they can get any information they need with using (via) the internet in minutes!

using or via is OK in this context.

In addition, we always are in touch with our friends and relatives, which at the moment could be far away – and even though they are on the other part of the Globe – we are always able to connect to them and to communicate by using phone or skype.

Though, it does not fit in my head, but it's so cool!

Though, it is difficult to get my head around, but it's so cool! (means the idea is hard to understand).

(И хотя это до сих пор не укладывается в голове, но то же так здорово! =верно? Is it true translation?)

Modern telecommunication technologies draws together and unite people, greatly accelerate already rapid development of scientific and technological progress and makes the world such a small one.

a. or b. is OK, but not plural on both words.

a. technologies draw together and ...

b. technology draws together and ...