Emarketer, the advertising research company has a new estimate of Twitter's revenues: $582.8 million in global sales in 2013 before closing in on $1 billion in 2014.
Of that, $308 million will be from mobile ad impressions alone in 2013, the company reckons.
Note that Twitter's revenues — fueled by its new Ads API — are scaling up a little bit like the way Facebook's did before its IPO.
Ad Age conveniently recrunched eMarketer's data into this everything-you-need grid:
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