How'd you like a reminder of your younger, cringier self

from here and here

And the cringey reminders are the best case scenario. There are probably worse memories stored in your Facebook account, and almost no one ever bothers to get rid of that stuff.

Younger people seem to have the good sense not to use Facebook in the first place, though. They've probably seen what it's like when people with numerous years of history on Facebook get haunted by the most painful or embarrassing moments of their past.