Siri's getting a "proactive" overhaul for iOS 9 that will make the intelligent assistant a whole lot more intelligent—and simultaneously combat growing market share from rival Google Now while engraining Siri into your car. At Apple's WWDC conference in California today (which Fast Companyis liveblogging), Apple senior vice president of software engineering Craig Federighi announced sweeping changes to Siri geared around predicting user behavior and making voice response even quicker.