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Research firm Yankee Group estimates that the U.S. e-book market will reach $2.7 billion in sales in 2013, up from just $313 million in 2009. That's good for a growth rate of 83 percent, above even paid mobile apps, at 72 percent...
Google+ Page Management Comes to Sprout Social
4 Backlink Myths Busted
8 Ways to Create & Portray Brand Authenticity
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