5 interesting things you should know about the origin of shopping festival

It's that time of the year when items are sold at rock bottom prices - Black Friday.

These days, it's nearly impossible to surf the web, listen to the radio or even walk down the road without being harangued by one Black Friday sales ad or the other.

But how exactly did this culture come about?

This curiosity led us to do some digging on what is arguably one of the most celebrated shopping events in the world.

Here's what we found out: