[The FTC report] called the ESRB rating system "a useful and informative tool that parents increasingly use to help them make informed decisions about games for their children." Its nationwide survey of over 1,300 parents showed that nearly nine in ten parents with children that play video games are satisfied with the ESRB rating system, three in four use it regularly, 94% find the ratings easy to understand, and 59% never let their children play Mature-rated games.