Time it took to reach 1 million users:

Netflix: 4 years, 11 months
Twitter: 2 years
Pinterest 1 year, 4 months
Linkedin: 1 year, 3 months
Snapchat: 1 year
Facebook: 10 months
Zoom: 9 months
YouTube: 8 months
Dropbox: 7 months
Spotify: 5 months
Instagram: 2 months
ChatGPT: 5 days

— Jon Erlichman (@JonErlichman) December 9, 2022