Was ist der günstigste Tarif um mit dem iPad unterwegs ins Internet zu gehn?

Ich suche einen Tarif mit dem ich günstig mit meinem iPad ins Internet gehen kann. Am besten so wie eine prepaid Karte, da ich es nur selten unterwegs benutze.

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��).