In his spare time, Tony Eastin likes to dabble in the stock market. One day last year, he Googled a pharmaceutical company that seemed like a promising investment. One of the first search results Google served up on its news tab was listed as coming from the Clayton County Register, a newspaper in northeastern Iowa. He clicked, and read. The story was garbled and devoid of useful information—and so were all the other finance-themed posts filling the site, which had absolutely nothing to do with northeastern Iowa. “I knew right away there was something off,” he says. There’s plenty of junk on the internet, but this struck Eastin as strange: Why would a small Midwestern paper churn out crappy blog posts about retail investing?
Eastin was primed to find online mysteries irresistible. After years in the US Air Force working on psychological warfare campaigns he had joined Meta, where he investigated nastiness …