BROADCASTS.com

There is a place on the internet where almost two billion of us regularly go \u2013 many of us, every day. Facebook: the social network which Mark Zuckerberg started in his university dorm room and which has grown, in a little over a decade, into one of the most valuable companies in the world. But what does Facebook\u2019s lines of computer code do with the data we give it \u2013 and what could it do in the future? Just how powerful is Facebook's algorithm? The answer will surprise you.

Producers: Estelle Doyle and Sarah Shebbeare \nEditor: Richard Knight

(Photo: Facebook CEO Mark Zuckerberg delivers a keynote address during the Facebook f8 conference in San Francisco, California. Credit: Getty Images)