The sites you visit regularly trail where you came from and see where you head off to next.
A VPN – or virtual private network – makes it possible to browse the web more by routing your traffic by means of a server that isn’t your point of source.
It’s a bit like changing cars to shake off somebody who’s tailing you.
There are a lot of firms offering services with varying levels of security and changing levels of price, but if you’re willing to roll your sleeves up and get practical with some fundamental coding as well as a GBP30 Raspberry Pi computer, you can construct your own VPN server at home.
It will not give you the choice of seeming to be from someplace else but you can use it to connect external devices like a smartphone access common files and media on your home computer, and to browse the web through your home network.