It was about 3 years ago when I first encountered Spring, and I regret that I could have listened to it then, and my perspective on Spring would have changed. Of course, it was a very satisfying lecture even now. When using Spring, it is easy to only look for annotation usage such as @Service, @Component, and @RestController, but I thought it was a lecture that scratched an itch by teaching me step by step the meaning of Spring's existence and what problems Spring developers were trying to solve, rather than Spring itself. I was more stimulated by Toby's attitude and stance toward technology, not just Spring, and I was able to learn a lot. Thank you for making a good lecture, and I look forward to the next lecture. Spring is Toby's Spring after all!