https://timesnewsnetwork.com/news/technology/jack-dorsey-apologizes-for-growing-twitter-too-quickly-amid-mass-layoffs-twitters-headcount-grew-from-2000-to-7500-between-june-2013-and-december-2021-ashley-capoot-cnbc/
Jack Dorsey apologizes for growing Twitter "too quickly", amid mass layoffs; Twitter's headcount grew from ~2,000 to 7,500+ between June 2013 and December 2021 (Ashley Capoot/CNBC)