Google: Today, we're happy to announce that AdSense publishers can begin monetizing their HTTPS pages. Many websites, like e-commerce sites and social networking sites, use the HTTPS protocol to protect their users' sensitive data. If you have a HTTPS website you’ll be pleased with how easy it is to monetize using AdSense.
Myself: I don't even know what this is! This sort of thing ain't my bag, baby.
Prodnose: One book, "Adense on HTTPS And Me: This Sort of Thing Is My Bag Baby", by Nick Browne.