Speed Of Technological Uptake
Time taken for online services to reach 1.0m. users:
i) ChatGPT - 5 days
ii) Instagram - 2.5 months
iii) Spotify - 5 months
iv) Facebook - 10 months
v) Twitter - 2 years
vi) Airbnb - 2.5 years
vii) Netflix - 3.5 years
Morgan Stanley Research as quoted by Alan Kohler, 2023
Time taken to reach 50m. users:
i) Pokemon Go (couple of days)
ii) online game 'angry birds" (15 days)
iii) Internet (3 years)
iv) iPod (4 years)
v) TV (13 years)
vi) radio (38 years)
Time taken to reach 100m. users:
- ChatGPT (2 months)
- Facebook (4.5 years)
- Internet (7 years)
- mobile phones (16 years)

NB It took 8 years for smart phones to reach 1b. users
As shown above, take up of new technology is becoming faster; more evidence
"...ChatGPT......reaching 100 million users in two months..."
Ed Husic, 2023
Threads (a competitor to Twitter) developed by Facebook, had logged in 10 million signups in the first 7 hours; 100 million users within 5 days after its launch.
(source: Hannah Murphy et al, 2023)