Amazon launches Fire OS 3.0 for Kindle Fire HDX today. It’s the first time the company has gone public with the name of its Android-based operating system. Amazon execs revealed during a hands-on demo at the tech giants Seattle headquarters on Tuesday that the moniker has been used internally for some time now. Amazon’s vice president of Kindle, David Limp, also admitted with a laugh that Amazon is following a cocktail-infused path in naming each version.”]