What is vpn!!

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I just bought a router today and its all setup. it has a vpn i was wondering what is this. is it kinda like vnc so u can view and do things with the other computer or am i completly wrong.

Can anyone explain to me in simple idiot terms what this is and is it a good idea for me to use it
 
Wikipedia said:
A virtual private network (VPN) is a private communications network often used within a company, or by several different companies or organizations, to communicate confidentially over a publicly accessible network. VPN message traffic can be carried over a public networking infrastructure (e.g. the Internet) on top of standard protocols, or over a service provider's private network with a defined Service Level Agreement (SLA) between the VPN customer and the VPN service provider.
http://en.wikipedia.org/wiki/Virtual_Private_Network


VPN is commonly used by companies to allow employees secure access to the company network from home :)
 
It creates a virtual network between you and other computers via the Internet

Offices mostly use it so they can share securely/private files over the Internet

You can also get software so you can control another pc via a network such as tightvnc and then use them together to control a pc at home from office/school etc

Edit ^ Above ^
 
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