[jondubois]

Yes, it sounds like malware. Had any other company done this, it would have caused outrage but for some reason Facebook just seems to get away with everything.

I remember how big a deal the News International phone hacking scandal was; this actually seems much worse.

[willstrafach]

Companies which track app download and engagement metrics also do this via VPN apps. That is how they are able to obtain such data. Not new, but also not discussed much.