REPORT: Twitter Ad Revenue To Hit $1 Billion in 2014

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: