I am a 30-year-old non-CS major who quit my job to become an iOS developer and is currently learning Swift on my own. I will write down some of the things I felt while taking all 221 lectures. - It's good that you can listen to the lectures in advance after completing the payment even if your own boot camp period hasn't started. - I think it's very efficient in terms of saving study time/cost. - The textbook actively uses pictures and tables to explain as clearly as possible (especially memory structure). - The textbook is great, but the amount is so large that you need to review it by summarizing/organizing it yourself in Notion, GoodNotes, Playground, etc. - It clearly distinguishes important points (you'll use them often in the field) from less important points (just know the concepts and look them up later when you need them). - Quick and friendly answers to inquiries and questions in real time. - If you feel that the lecture is slow, I recommend 1.25x speed. - Instead of just watching Alan's lecture screen because it's annoying, I recommend opening an empty Playground file and typing on your own while listening to the lecture. I'm sure that this lecture is a great help in laying the foundation for becoming an iOS developer. Now, let's take another leap forward with the app creation lecture! Lastly, Alan, thank you for creating and running such great content! - 16th class student -