• The Next Web, Thursday, March 29, 2012 12:49 PM

While Pinterest and Instagram burn up the buzz meter, Tumblr continues to grow at a remarkable pace. According to the social sharing service, it just hit 20 billion posts -- doubling in size in just over 6 months -- and is fast approaching 50 million blogs. Speaking about how Tumblr differs from traditional “editorial” services like WordPress, founder and CEO David Karp recently quoted figures from traffic measuring company Quantcast, not directly referencing internal figures from its own analytics.

“Referencing the social aspect of the service, Karp said that the average Tumblr blog is re-blogged nine times, helping to distribute user content to wider audiences via RSS, Twitter, Facebook and other social sharing services, that can be synchronised with the blogging platform,” The Next Web reports. Tumblr’s main audience comes from the U.S, with 45% of visitors -- 249 million -- to its networks coming from America alone.

As TNW notes, Brazil makes up a large part with 49 million visits; the UK accounts for 34 million visits. To date, Tumblr has seen more 560 million people view content on its networks. Moving forward, Karp said that Tumblr will go “all in,” particularly in the area of talent acquisition.

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