Well, I like to say, tongue in cheek, that we moved to online learning before it was cool. Although I know absolutely no one on earth would think of a pandemic as being cool. But in about 2015, we started pushing to transition from webinar into internet-based self-study. And in early 2016, we came across a learning management software product that was highly recommended, which we initially began with. Over time, you know, sometimes when you start something, you don't know what you don't know. Over time, we realized, okay, that isn't quite the answer. And we did end up moving to the learning management software we use now. But one of the things we were trying to do was offer students the opportunity to pace in their own time, whether it happened to be at work in downtime or on a lunch break, or if they chose at home in their own personal time, pace their own studies to develop or enhance their skills, their professional development, in order to continue to have growth in their job position. In research always tells us that that's one of the ways you alleviate stagnation, you alleviate boredom. And how many people, especially with millennials in the workforce now, it's a common complaint. They seem to get bored. We like to have the path. But the initial phase of moving to Internet-based learning wasn't what I would consider like a real school. And as an accredited provider of continuing education now, we are, in fact, a real school. With that, our classes look very different than the first rough transitions to internet-based. Now, we have courses that are segmented into smaller chunks, learning chunks, maybe 15 to 20 minutes in a segment. Because research has demonstrated that. Students need a pause. They need a break to refresh themselves after about 15 minutes of learning, depending on how weighty the subject is. It actually can be less. So we segmented classes into those learning chunks. But because the classes are online, and as Dad was saying, you don't like the webinar format because you can't see your students. I felt the same way about Zoom, just a bunch of... black windows on my screen, not showing me anything. We needed to find a way to mimic the interaction, the pause for feedback that you would have in a classroom experience. And what we came up with was just a quick check for understanding. Formally, most people would call it a quiz.