HEY is a premium email service launched by 37signals in June 2020.[1][2][3][4]
- ^ Chen, Brian X. (June 17, 2020). "Tackling the Unsolvable Problem: The Bottomless Email Inbox". The New York Times. ISSN 0362-4331. Retrieved June 26, 2020.
- ^ Aten, Jason (June 25, 2020). "Basecamp's Controversial New Hey App Actually Makes Email Productive Again". Inc.com. Retrieved June 26, 2020.
- ^ Newton, Casey (June 15, 2020). "Hey is a wildly opinionated new email service from the makers of Basecamp". The Verge. Retrieved June 26, 2020.
- ^ Harris, Ainsley (June 15, 2020). "Meet the Big Tech critic behind Hey, Basecamp's radical new email platform". Fast Company. Retrieved June 26, 2020.