Here are the other names Jeff Bezos pitched for Alexa, including Samantha and Friday - and Amazon

These days, it's hard to remember a time before Alexa, Amazon's all-knowing voice assistant. But "Alexa" wasn't the first name Jeff Bezos and his team at Amazon came up with back in the early 2010s, according to Brad Stone's new book, "Amazon Unbound: Jeff Bezos and the Invention of a Global Empire."