It is difficult. Using corporate technology is easy and addictive. Not everybody is strong enough to escape from this comfort.

Give your mam Deltachat, it uses good old email. It was a miracle for me, so that with people friends that didn’t want to use xmpp or matrix I just use email thanks to Deltachat. Some of them even installed it and like it so far. Everybody has an email so I can reach plenty of people with DC.

Yes, I remember my Motorola Defy. I even accidentally tested it in my WC :P

Also Rentgen - https://addons.mozilla.org/en-US/firefox/addon/rentgen/
"Rentgen illustrates the amount of tracking scripts on a website and helps with formulating an email to the website admin, which can be a basis for a GDPR complaint. "

Oh my god, do I have to resign from another one corporate shit just after reddit? :)