Casey Newton op The Verge:

When the history of Facebook is written, mark down March 14th, 2019 as the end of the News Feed era. Cox helped design the first iterations of the News Feed and oversaw it during its most successful phase. It will not disappear overnight, and at its enormous scale may demonstrate a Yahoo-like endurance. But with Cox’s departure, its days as the central organizing principle of Facebook are now officially behind it.