Why it worked
The video likely worked due to its engaging visual elements, including the exaggerated reactions of the man and the playful interaction between the two individuals, combined with the simple, universally understood game of tic-tac-toe.
Summary
A man and a woman are playing a game of tic-tac-toe using bottles of colored liquids. They take turns placing bottles on the grid, with the man making exaggerated facial expressions and the woman smiling.