I can't get technical about it.
The selling point is that it uses its own server to mask your ip address and navigate you around tracking done by Google, et al. It also encrypts any password or usernames you use to access banking.
Tubi or not Tubi?
Whether tis nobler to suffer the slings and arrows of outrageous fortune...
Wait... I'm getting the slings and arrows, but where the Hell is the outrageous fortune?
I want my E ticket back!