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http://www.zerohedge.com/news/2014-03-24/high-speed-click-fraud-over-one-third-all-internet-traffic-fake

One wonders just how “valuable” all those social media companies really are if the bots and fraud was removed?

Via WSJ,

Spending on digital advertising—which includes social media and mobile devices—is expected to rise nearly 17% to $50 billion in the U.S. this year. That would be about 28% of total U.S. ad spending. Just five years ago, digital accounted for 16%.

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