You have surely heard that your search results on Google (with 92 percent share of the search market) reflect not your curiosities and needs but someone or something else’s views on what you need to know. That’s hardly a secret. And on Facebook, you are likely inundated by links to official sources to correct any errors you might carry in your head, as well as links to corrections to posts as made by any number of fact-checking organizations. You have likely also heard of YouTube videos being taken down, apps deleted from stores, and accounts being canceled across a variety...