Social data startup Gnip has scored another impressive partnership — it says it's the first company to syndicate the full firehose of content from blogging service Tumblr. Gnip is probably best-known for being the first authorized reseller of the Twitter firehose, but it also offers data from Facebook, Google+, Disqus, WordPress, YouTube, and more. So what does Tumblr add to the mix? (Besides hipster puppies, that is.) President and COO Chris Moody tells me via email:

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