This video was suggested on my YouTube profile and man, am I glad it was. Yes, this happened while I was pretty aware of how big it was, but man...it's pretty mind-blowing when you think about it.
Please check out the 5-part YouTube retrospect:
Part 1:
https://www.youtube.com/watch?v=c9a1XSyjjNg
Part 2:
https://www.youtube.com/watch?v=70dsjiLERfs
Part 3:
https://www.youtube.com/watch?v=pgXAbwifRiI
Part 4:
https://www.youtube.com/watch?v=fXBNB7NxVEs
Part 5:
https://www.youtube.com/watch?v=2gqEGbpCYjI