Contrary to what you may see in advertisements, Apple’s voice control technology—personified as “Siri”—has more uses than informing Hollywood starlets that it is, in fact, rain they’re looking at through their wet window.

In fact, 87 percent of iPhone 4S users say they use Siri at least once a month, with a majority saying they’re satisfied with it. This is according to OnlineDegrees.com, which decided to find out how useful the service is and make this infographic. It also gives some tips on getting the most out of the service: