You've stalked an ex or an old friend from school on Facebook, and you've probably dug up some embarrassing photos.
But if you want to find someone's most cringeworthy Facebook photos, you can't just stalk. You need to backstalk.
Here's how to backstalk:
A: Go to anyone's profile page.
B: Click Photos.
C: Click on their most recent photo.
D: Click the left arrow.
Here are 37 things we found when backstalking our BuzzFeed colleagues:
And here's what they look like now, for comparison's sake.
4. Duck face.
5. Glow sticks.
6. Top bants.
7. Eyes that aren't quite open.
Or what Americans would call dumpsters.