 So I want to talk about PowerPoint, and I use PowerPoint. I use it to organize media. I use to organize images. But sometimes I just think that PowerPoint is killing education. I think if you let PowerPoint take the lead, if you're using PowerPoint to lead with, then you become a robot and you become subservient to PowerPoint. I just want to make the connection to the students. And I find with the PowerPoint, they're connecting to the screen. They're not connecting to me. And I teach with multimedia. I have videos and images all the time, and that's how I keep them excited and engaged. And I can tell when a class begins to lose interest. Student engagement is really important, and you need to keep students excited, and you need to keep students engaged, and you need to keep students interested. And at the podium, it's hard to do. It's really performative. You really have to be a performer. I use jokes. I use whatever I can to keep them engaged. I don't think there's a substitution to the human element. I don't think there's a substitute for students connecting to the individual. Voice is so important, and voice is the way the students connect to me, and it's the way they connect to the class. And if they just have text to read, they can't make that. Human connection. They need a human connection.