Time since some of these firsts:

first Grok chat: 2 years
first Thread post: 3 years
first ChatGPT chat: 3 years
first TikTok video: 9 years
first Uber order: 17 years
first Airbnb booking: 17 years
first tweet: 20 years
first Reddit post: 21 years
first YouTube video: 21 years
first Google search: 27 years
first ICQ message: 29 years
first smartphone: 34 years
first text message: 34 years
first search engine: 36 years
first GIF: 39 years
first mobile phone: 53 years
first email sent: 55 years
first personal computer: 55 years
first pager: 77 years
first telephone: 150 years