All your Tumblr are belong to Them
blogs.reuters.com/paulsmalera/2012/04/18/all-your-tumblr-are-belong-to-them
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
If all of this sounds like a grand plot to aggregate, sift and derive insight into social behavior from all sorts of data that unsuspecting users unwittingly upload well, it is. But those are the trade-offs that users agree to when they sign up with social-media websites, right when they check that box agreeing to the terms of service.