The value of YouTube has been estimated to be between $15.6 billion and $21.3 billion.

The figures appear in Fortune Magazine where Barclays has also estimated the video platform to have made $3.6 billion in revenue, with 2014 forecasts predicting an increase of 20% to $4.3 billion.

Arriving at the overall value estimates for YouTube, Barclays figures suggested that the company's operating margins were around 30-35%.

Reporting on the figures, Tubefilter  noted that the overall figure of $15.6 billion "would ...