For me the biggest feature is being able to type questions in private, like Fantastical. I use Siri when I'm alone at home or in the car but I regularly find my

For me the biggest feature is being able to type questions in private, like Fantastical. I use Siri when I'm alone at home or in the car but I regularly find myself checking before using it. It's awkward saying "remind me to pick up extra maxi-pads for the wife on the way home" to siri when I'm at work within earshot of my co-workers. Even less private things than that can be weird.