Slimes says MZ was “ hunkered down with engineers” this week past. Anonymous source of course in article but there is a cover story and he was meeting with a group of people.
https:// www.nytimes.com/2018/03/21/technology/mark-zuckerberg-facebook.html?action=click&contentCollection=Technology&module=RelatedCoverage®ion=EndOfArticle&pgtype=article