Early last month, Google wrote a seemingly innocuous, jargon-filled blog post about figuring out when a search ad on a consumer's smartphone leads to buying an item in real life—conveniently glossing over the fact that it's doing that by "tracking consumers’ smartphone locations all the time, wherever they go, even when they’re not using a Google app," reports Digiday.

In the slow battle between humankind's love of porn and Tumblr's need to somehow make money, we find ourselves in a sort of ceasefire: boobs can stay, but they won't be easy to find. Caught in the armistice are plenty of inoffensive things. Why can't I search for #gay on my phone, but it's easy to find naked teens?