Linguistic phenomenon. Scientists showed people two shapes (one round, one spiky) and two names and asked people which one was named Bouba and which one was named Kiki. Regardless of language/culture, most called the round one "Bouba" and the spiky one "Kiki."
www.explainxkcd.com/wiki/index.p...
I know about the shapes, but I don't understand the comparison between the mentioned products and the shapes. β The products they mentioned aren't even (too) similar(?).