https://www.theguardian.com/technology/2021/apr/28/mark-zuckerberg-tim-cook-feud-apple-facebook

Tensions between Facebook and Apple have been growing, but is it just an attempt to get ahead of US antitrust regulators?

A longstanding feud between Mark Zuckerberg and Tim Cook could come to a head this week, as a highly-anticipated Apple operating system update will for the first time allow users to opt out of cross-platform tracking.