Sources

Microsoft. The Next Great Disruption Is Hybrid Work—Are We Ready? March 23, 2021
https://www.microsoft.com/en-us/worklab/work-trend-index/hybrid-work

Business Wire. Email Remains Top Internal Communications Channel During the Pandemic. August 25, 2020.
https://www.businesswire.com/news/home/20200825005210/en/Email-Remains-Top-Internal-Communications-Channel-Pandemic

Forbes. It’s Probably Time To Stop Announcing The Death of Email. June 24, 2019.
https://www.forbes.com/sites/nigeldavies/2019/06/24/its-probably-time-to-stop-announcing-the-death-of-email/#4e7648e47a41

The Radicati Group Inc. Email Statistics Report, 2018-2022.
https://www.radicati.com/wp/wp-content/uploads/2018/01/Email_Statistics_Report,_2018-2022_Executive_Summary.pdf