Sure, but can you explain which features rather than leaving off at the author is "ignorant". Are there features in Objective-C available now that weren't pres

Sure, but can you explain which features rather than leaving off at the author is "ignorant". Are there features in Objective-C available now that weren't present back in the early days? Perhaps this is what the author means? Has Objective-C drawn inspiration from newer languages such as C# or Java?