Can any one elaborate what I read in a book?

In an antiquarian's shop I read in a book about anglo-saxons and about the Juttish saxons,it said they called themselves that name meaning"The tall ones". Can any one elaborate on that theory?

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…).