Living online means never quite understanding what’s happening to you at a given moment. Why these search results? Why this product recommendation? There is a feeling—often warranted, sometimes conspiracy-minded—that we are constantly manipulated by platforms and websites. So-called dark patterns, deceptive bits of web design that can trick people into certain choices online, make it harder to unsubscribe from a scammy or unwanted newsletter; they nudge us into purchases. Algorithms optimized for engagement shape what we see on social media and can goad us into participation by showing us things that are likely to provoke strong emotional responses. But although we know that all of this is happening in aggregate, it’s hard to know specifically how large technology companies exert their influence over our lives. This week, Wired published a story by the former FTC attorney Megan Gray that illustrates the dynamic in a nutshell. The op-ed argued that Google alters user searches to include more lucrative keywords. For example, Google is said to surreptitiously replace a query for “children’s clothing” with “NIKOLAI-brand kidswear” on …