Video website YouTube is 10 years old today.

One of the founders of the site, Jawed Karim, uploaded its first video a decade ago: a 19 second clip of him at the zoo.

Now 300 hours of video are uploaded to YouTube every minute.

It has made stars out of the likes of Justin Bieber and Vlogger Zoella, who first came to public attention through videos posted online.

'Gangnam Style' by Psy is the most viewed video clip of all time, with 2.24 billion views.

YouTube has more than one billion users and people now watch hundreds of millions of hours on YouTube every day.

The number of hours people are watching on YouTube each month is up 50% year on year.

The site is localised in 75 countries and is also available in 61 languages.

YouTube says half of its views are now on mobile devices.

And this was the first video on YouTube, uploaded April 23rd back in 2005.

In contrast, this is what was big on the site last year: