Do X(Twitter) spy on what I'm doing on my phone?

https://lemmy.dbzer0.com/post/2893277

Do X(Twitter) spy on what I'm doing on my phone? - Divisions by zero

A few minutes ago, I’m just reading the news from the RSS feeder app called Feeder and then suddenly I got a notification from x from Linux handbook which I was seeing in the feeder app. How?

Well, do you follow them? It could be that you searched for something related to Linux on Twitter at some point. In general, apps can’t see your activity in other apps. Still, Twitter does not respect their users’ privacy.