Have you ever noticed the small dots on elevator buttons? There are a lot of things in public that we never spot every day but that actually have a purpose.
Nobody thinks about it unless they absolutely have to. These dots are placed just below the numbers and actually do mean something! What are they trying to tell us? The reason is actually very important and everyone should know it and be aware of what these dots really mean.
In Case You Don’t Remember or Haven’t Seen These
There's an important reason to them. Most modern elevators have them, but some of the old ones don't.
What Are They?
These dots represent the braille system of writing.
What Is Braille?
The braille system is a writing technique for blind people that provides with a way to read by touch.
It's Very Useful for Elevators
The system was invented in 1824, it is used worldwide in many native languages.
The Origin of Braille
Louis Braille who invented it lost his eyesight when he was 15. It is named after him.