The 3 ways Amazon's Alexa could snag $10 billion in revenue by 2020 (AMZN)

Steve Jurvetson / Wikimedia Commons Peoplelove Amazon's Echo speaker, and the digital assistant Alexa who lives inside it -- especially Amazon CEO Jeff Bezos. In February, Bezos said that not only does he have an Echo in every room of his house, but that he will "dance into work if I have Echo and Alexa meetings on my schedule that day." And what's not to love for Bezos? Alexa is set to become a revenue-generating juggernaut, according to RBC's Mark Mahaney. In a note to clients, analysts led by...