Tumblr May Have Learned Too Much From the Obama Email Strategy

This email arrived in my inbox today. This smells user tested, like the Obama campaign's famous "Hey." subject line. Minimalist manipulation. 

This article available online at:

http://www.theatlantic.com/technology/archive/2012/12/tumblr-may-have-learned-too-much-from-the-obama-email-strategy/266389/