Popsugar Love Nostalgia Signs You're an Old Millennial 80 Signs You're an Old Millennial June 6, 2018 by Nicole Yi First Published: May 23, 2017 View On One Page Photo 15 of 21 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 15 Your version of a playlist was compiling songs onto a mixtape (you taped off the radio or other cassettes in a dual-tape boombox). Your middle school mall go-tos were Contempo Casuals, 5-7-9, Limited, and Express. You would slowly savor your Delia's catalog when it came in the mail in high school. You love The Baby-Sitters Club, Sweet Valley High, and R.L. Stine (but not even that much; you were too busy watching TRL) more than Harry Potter. Previous Next Start Slideshow NostalgiaHumor