Yahoo bought Tumblr for its rambunctious community. Despite the coat of paint rapidly applied to its email, homepage and various apps since Marissa Mayer arrived as chief executive less than a year ago, Yahoo was still in need of an injection of youth and energy, writes Tim Bradshaw.
But in solving that problem, Tumblr may have created another for Yahoo. Ad execs and Wall Street analysts alike are voicing concerns about – along with gifs and memes – one of Tumblr’s most popular types of content: pornography. Read more