Siri got better in iOS 6 and will continue to get better in iOS 6.1, but compared to Google (GOOG) search assistant Google Now, it’s still very disappointing. Not only is Google Now faster, it’s more intelligent at providing useful answers and is more accurate at understanding human speech. If you’ve got a jailbroken iPhone, the NowNow hack is a nifty tweak that replaces Siri with Google Now. As you can see in the video below, the hack works very well. NowNow is available in the BigBoss Repository on Cydia and requires the Google Search iOS app to be installed or else it won’t work.