But Ubuntu sends all queries typed in Unity to Amazon by default. Canonical says that the queries are anonimized, but no one can check what data is actually leaked.
Otherwise thanks for the great site!
I think that adding a few other user-friendly distributions such as Fedora or Mint in the "Install Linux" step might be a good idea.
Also, I haven't really followed the developments on this story but Ubuntu did effectively spy on you at some point by sending your searches to Amazon, considering this it is a pretty bad choice to recommend it in my opinion.
There is the TL;DR on top.
The idea here is if you need privacy right now, use Tails. And then for yor day to day life, here are the steps.