Macworld I have spent the last couple of decades writing about new features in Apple’s operating systems. Tens of thousands of words about new items, large and small, that enhance the experience of using a Mac, iPhone, iPad, and other Apple devices. And yet this past weekend, I was reminded that most users simply don’t notice new features, even when they’ve been available for years. If you’re reading this column right now, you’re one of the most well-educated people on the planet about Apple stuff. But your friends, family, co-workers, and acquaintances? They might never know about flashy new operating-system features unless you personally show them off. It’s one of Apple’s most vexing problems: keeping devices relatively simple while also…