I grew up in a Third World country that occasionally received American advertising. I used to believe that the cartoon characters on boxes of cereal were real, but that they only interrupted the breakfasts of American children.
A childhood belief about adverts

others believed things like this
- I used to believe that serial killers would jump out of cereal boxes and kill me...— Amanda
- when I was younger I used to believe a serial killer lived in cereal boxes.— laura
- I used to believe serial killers were actually people that went round slipping poison into cereal boxesAnon
- I thought a serial killer was someone who crushed boxes of cereal for a living like a hitman!— Carole-Ann
- i used to believe that i am american.
i am japanese . — mayumi - I thought that all black people were African-AmericanAnon