An update has added more geeky in-jokes and references to the e-commerce giant’s AI assistant, from ‘Cowabunga’ to ‘Great Scott!’Alexa, the talking lady who sits inside the Amazon Echo waiting for you to say her name, is having a personality makeover. The talking AI’s latest update comes with a range of “speechcons” – little expressions or verbal tics.Alexa will say 100 new words, including “bazinga” and “woohoo”. In a nod to nerd culture, she will range from “Kapow!” (Batman) to “Great Scott!” (Superman)