1. Gen Y's undying nostalgia and sorrow over the the loss of Surge. en.wikipedia.org 2. The concept of the Spice Girls' "Girl Power" being a form of feminism. Brenda Chase / Getty Images 3. Hanson. Gen Xers: Ask not, "What is an MMMbop?" for one does not question the MMMbop. Brenda Chase / Getty Images 4. Coachella. And where all the flower crowns came from. Frazer Harrison / Getty Images 5. The Pacey vs. Dawson debate. You at least know who these people are, right? en.wikipedia.org en.wikipedia.org 6. Pogs. Although to be fair....most millennials didn't really understand how to correctly play this game, anyhow. en.wikipedia.org 7. Saved by the Bell. In the words of my Gen X sister: "That just seems terrible to me." savedbythebell.wikia.com 8. #selfies instagram.com Fair enough. 9. Being completely transparent about your life and identity on social media, especially online dating sites like OkCupid. okcupidkillme.tumblr.com 10. The importance of away messages. Twitter: @YourAwayMessage Twitter: @YourAwayMessage Twitter: @YourAwayMessage 11. How David Bowie in Labyrinth was responsible for the sexual awakening of so many millennial girls. Tap to play or pause GIF Tap to play or pause GIF giphy.com I know. It doesn't really make sense to us, either. 12. Hot Topic. To Gen X, this is the store where Satan shops. shopinternationalplaza.com 13. Abercrombie & Fitch ads. And why Gen Y kids collected them. Facebook: media 14. Justin Bobby and other MTV reality show characters who were famous for no apparent reason at all. Tap to play or pause GIF Tap to play or pause GIF giphy.com People. Justin Bobby is hilarious. 15. A/S/L. This joke/reference often falls flat with the Gen X crowd. It stands for age/sex/location. Got it? So, like, YOLO, mmmkay? 16. Blink-182. I mean. I get that this wasn't everyone's cup of tea, but some people were way into this. Some still are. en.wikipedia.org 17. The coolness of the kids on Hey Arnold. en.wikipedia.org 18. TRL. So you just kind of watch the same videos over and over each day? Well, yeah, kinda. But that's not the point. Scott Gries/ImageDirect 19. How so many Gen Yers consider The Price Is Right to be a staple of American childhood. pinterest.com Plinkooooooo. 20. Hocus Pocus. Just FYI, this is a really good movie and that song Sarah Jessica Parker sings was the jam in 1993. joblo.com 21. Platform sneakers. They're just like regular sneakers...but bigger. etsy.com 22. And finally, one thing Gen Xers just don't get...is why Gen Y is so obsessed with the '90s. pinterest.com To which we reply...talk to the hand.