BizSugar.com › Social Media › Google Has Gone 'Dark': The Search Giant Just Ended Free Data And People Are Freaking Out

Web site owners have no idea which search words are more likely to lead users to their sites than others.

Late this month, Google went "dark" in terms of providing publishers with one of its major sources of free information on which words led people searching in Google to click on their sites. The move came as Google seeks to reassure users following the NSA/PRISM domestic surveillance scandal.