Here's to demystifying the internals of UITableView! Your tone seemed fine to me. Glad you geared it towards newer folks to iOS. I remember when I was first starting with iOS, one of the biggest questions I had on these things was "Why?". Luckily posts like this, and the treasure trove of Mike Ash's blog provide a clear understanding of both how the components in Cocoa work, and why they work that way.