‘Facebook’s Q4: By the Numbers’ – ‘Mashable’

Todd Wasserman says, “Facebook’s fourth-quarter earnings was a bonanza for anyone looking for updated stats on the company. The one that caught a lot of analysts’ attention was 23% — the proportion of ad revenues that the company derives from mobile. Facebook’s perceived lack of progress in mobile was a major reason the company’s stock slid precipitously after its May 2012 IPO.

But, as usual, the company used its call with analysts after to show off its brisk growth and huge scale. Among the highlights:

On New Year’s Day, users uploaded 600 million photos to Instagram, a new record.

Between Facebook’s eponymous app and Instagram, the company now accounts for 25% of overall time spent on mobile, as measured by comScore”.