The Brief: On TikTok, people can "blind react" t0 another video by filming themselves as they watch it for the first time.

Bluesquiggle
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In blind reacts on TikTok, people record their initial reaction to a video without any context or preview. By doing so, they can show their genuine reaction to something unexpected or unique.

Certain videos and captions may begin by asking viewers to pause their video and blind react to what’s next. People might also send links to others, prompting them to record their blind reaction.

@realevanupton

Blind react if you’re born before 2010 to have your mind BLOWN🤯🤯🤯 #unknownmemories #flashback #fyp #fup

♬ Disney Fast Nostalgia Play – Lil Nas E