The most interesting products I've fallen in love with this year don't really have an interface. You don't need to open another app, go through another onboarding, or find another dashboard. You simply reach it the way you'd reach a friend, through a text thread or a phone call, and on the other side sits an agent that is connected to all the tools you use every day, such as your email, your calendar, your messages, your accounts. Then you can simply tell it what you need and it goes off and…