1. Everyone who was born in 2000 is (or is about to turn) 16 years old.
2. And we're closer to the year 2030 than the year 2000.
3. Facebook has been in our lives for a little more than 12 years.
4. Which is the same amount of time that has passed since the final episode of Friends.
5. Ever realize that the first episode of Sabrina, the Teenage Witch aired 20 years ago?
6. The first Harry Potter book, Harry Potter and the Sorcerer's Stone, came out 19 years ago.
7. Mara Wilson, the actress from Matilda, is 29.
8. It's been 10 years since you first burst into tears while listening to "Chasing Cars" by Snow Patrol.
9. Which was also when we first met Hannah Montana.
10. Bart Simpson would be 37 years old today.
11. Keeping Up with the Kardashians has been on TV for nine years.
12. The Sprouse twins just turned 24 years old.
13. Kevin McCallister was left home alone (almost) 26 years ago.
14. You've been singing "Wonderwall" at karaoke for over 20 years.
15. And dancing to "Oops!... I Did It Again" for 16.
16. Leonardo DiCaprio is 41 years old.
17. While you were watching Hercules in movie theaters, Kylie Jenner was not even born yet.
18. And 18 years ago, Lindsay Lohan was meeting her fake twin in The Parent Trap.
19. Adam Sandler turned 50 on September 9, 2016.
20. Tetris and Mila Kunis are almost the same age: 32 and 33 years old, respectively.
21. Ralph Macchio, the actor who played Daniel LaRusso, is now older than Mr. Miyagi was when Karate Kid came out.
22. And it has been 23 years since you caught your first glimpse of a T. rex in Jurassic Park.
