You've seen this symbol everywhere on your electronic devices, but do you know how it came about?
You would perhaps have switched your microwave ovens, phones and more on and off without giving it much thought.
According to Wittyfeed, it is not just some random symbol -- there is a logic behind it.
Find out what it is in the gallery.

Have something to say? Join in!
See something interesting? Contribute your story to us.
Loading More Stories

