Which year/years in the USA did cable television really start?

and which were the major cable networks? which movies were popular?

also, is this when they began watching CNN? which were the first news stories?

how it changed and why? what was prior to this? and did this increase watching tv quite a bit? how much percentage wise you think? which were some of the popular movies put on cable too at that time?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).