Twitter has reported a $521.03 million (£358.65 million) net loss for trading in 2015 and, for the first time, no growth in its user numbers. The company reported year-on-year revenue growth of 58.0% to $2.22 billion for 2015, while its Q4 revenue was up 48.3 per cent to $710,473. Total advertising revenue reached $641 million in Q4, an increase of 48.3 per cent year over year,
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