Tired of talking to Alexa?  Now you can start having conversations with Ziggy instead. Amazon has added ‘Ziggy’ as a new wake word for its voice-controlled assistant – joining ‘Alexa’, ‘Amazon’, ‘Echo’, and ‘Computer’. So was Ziggy inspired by David Bowie’s famous alter ego Ziggy Stardust?  Is Jeff Bezos a fan of the old Ziggy…