Make the sentence grammatical: The more computer advances and more the kinds of communican changes, in the past people were obliged to sends a letter until post or the only ways that they could heard and see each other, was to gather and talks to each other, but at the moment, during advent upon computer an internet, you only needed to use them to send fax or email (instead towards posts) or chatting with each other online out a result within that you have the possibility to speak and see other online and UNKNOWN few second.
The more computers advance the more the modes of communication change, in the past, people were obliged to send a letter by post or the only way that they could hear and see each other was to meet and talk to each other, but now, after the advent of computers and the Internet, you only need to use them to send a fax or email (instead of a letter) or chat with each other online as a result of that you have the opportunity to speak with and see other people online and UNKNOWN a few seconds.