Number of years since these launched:
iPhone: 15 years
Twitter: 16 years
YouTube: 17 years
Facebook: 18 years
Gmail: 18 years
Xbox: 21 years
Nokia 3310: 22 years
BlackBerry: 23 years
Google: 24 years
Netflix: 24 years
Game Boy: 33 years
Macintosh: 38 years
Walkman: 43 years
Lesson learned: time flies!