As Tumblr CEO Jeff D’Onofrio quietly departs and the company merges with Automattic, a look at its plans and enormous impact on the modern social web

As Tumblr CEO Jeff D’Onofrio quietly departs and the company merges with Automattic, a look at its plans and enormous impact on the modern social web  —  The CEO of Tumblr—a social platform that was once worth more than $1 billion, and in its time was among the internet’s most popular …