You probably haven't given much thought to the little black dots on the edges of car and bus windows. Sure, they look cool. But do they do anything? Those black dots and the black rims that ...

A driver asked why vehicles windscreens have black dots around the edge of them, prompting hundreds of people to share their responses ...

It seems many drivers are only just learning the purpose of the black dots found around the edges of car windscreens after one person sought advice online.