1 Facebook's mobile user base surged 13 percent in the fourth quarter of last year to 680 million, according to Facebook fourth quarter results.
2 Facebook's mobile ad revenues were zero as recently as the first quarter of 2012, so it's growth from an ultra-low base.
3 We shouldn't make too much of that triple-digit growth, however.
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@jimmyrim: 페북 전체 매출 중 23%가 모바일. 앞으로 계속 상승할 듯 CHART OF THE DAY: Facebook Has Another Impressive Mobile Quarter http://t.co/rP0tpsqL via @sai