It’s the “What color is the dress?” of 2018! When listening to this clip, some people hear “Laurel” while others hear “Yanny”?
Which one do you hear. Rick hears “Laurel” and Len hears “Yanny”.
https://www.vox.com/2018/5/15/17357684/yanny-or-laurel-audio
[Vox]