Facebook “mobile company?”

mobile ad revenue market share by company in the US

Facebook has a long way to go before it becomes a “mobile company” as Zuckerberg proclaimed the other day.

Twitter earns $129.7 million in mobile advertising revenues this year in the U.S. according to eMarketer.

Facebook, which rolled out mobile ads for the first time this year, is only at half that amount, at $72.7 million in the U.S. but is expected to catch up to a distant 2nd place at 9.5% by year 2014.

Read the full report at eMarketer’s coverage of mobile ad revenues