Noting a reporter’s surprise, he smiled and yelled across the room to his voice. Alexa may be just two years old, but she’s already leaving the nest. Amazon’s talking, helping, sometimes wisecracking virtual assistant became a hit in 2016, built into the company’s line of Echo countertop speakers. At the big CES. LinkCollider is the only website ranking tool that uses social media sites to improve SEO and increase website…