Hi Robert, I'm not sure what you'd like to see discussed from the article. To me, it read like an overview of something I already knew. It's one of those thin

Hi Robert, I'm not sure what you'd like to see discussed from the article. To me, it read like an overview of something I already knew. It's one of those things where if you know it, you don't need to hear about it. If you don't know it, hearing about it won't make sense anyway. I can see this being part of a course for beginners but frankly - people will figure out what interfaces are for and what leads to problems by writing enough code and/or seeing how good libraries/frameworks tackle the problems they had difficulty with and learn from that. My 2 cents.