• Campaign, Thursday, February 11, 2016 7:08 AM

Twitter has reported a $521.03 million (GBP358.65 million) net loss for trading in 2015 -- and for the first time, no growth in its user numbers. In its fourth quarter earnings, the social media platform reported a net loss of $90.24 million (GBP62.11 million) for the three months up to 31 December 2015. Twitter reported that it had 320 million average monthly unique users, the same number as the third quarter. Twitter said that its Promoted Video ad format is now a "meaningful contributor" to its advertising business.

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