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Коррекция: В США онлайн доходы были $42.8 billion в 2012
In 2013, Internet advertising revenues in the United States totaled $42.8 billion, a 17% increase over the $36.57 billion in revenues in 2012

https://en.wikipedia.org/wiki/Online_advertising


Доход от об'явлений $42.8 Billion / 2013 Internet Ad Revenues Soar To $42.8 Billion

http://www.iab.net/about_the_iab/rec...ease/pr-041014

Доходы с apps