Three new phenomena in the media illustrate the oldest wisdom in show business -- there's nothing new under the sun.
Oh wait, that's from the Bible. But of course, the Bible, one of the oldest books in existence, is a never-ending source of artistic and commercial inspiration.
All of which reminds us that, if something worked in the past to enlighten or entertain, it will likely work again. And, if it didn't work in the past, watch out. Technology changes, but not human nature; it's human feelings that drive showbiz.