The smallest channel I’m subscribed to is Flexperiments, a channel focused on modifying fountain pens to make a super flexible nib and have insane line width variation that I have never seen before. If you like fountain pens, you might find it interesting.
Neither. A VPN is a tool. It’s useful for bypassing geo-restrictions, allows you to act as a local device in the server’s local network which is really useful, and can have a benefit to privacy when paired with other tools.
A lot of VPN ads however are overblown with the “VPNs keep you safe online” and “Don’t use the internet without a VPN”, these are dishonest marketing practices which should be seen as a massive red flag.