We've been here before. Is this dress blue and black or gold and white?
Is this recording saying "Yanny" or "Laurel"?
The internet is back again. Eric Tupper (TikTok user @ectupper) ignited a debate as to whether or not this person on a swing is facing the building while swinging, or away from the building:
People have made arguments for toward the camera:
As well as arguments for toward the building:
So, you know the drill...
BuzzFeed has reached out to @ectupper.