Search engines like Google are getting less helpful, according to a new study. They're more likely to retrieve SEO-optimized web pages monetized with affiliate links.These types of pages "show signs of lower text quality," according to the study. Thanks for signing up! Access your favorite topics in a personalized feed while you're on the go. It appears to be true: Search engines like Google are getting worse. These days, search engine results are filled with spam content, according to a new pap...