Google has been embarrassed by Burger King, in a targeted TV advertisement that prompted its Google Home devices to begin spewing out facts about Whoppers. The episode highlights a glaring hole in the security of this digital assistants, which Riot has long considered to be the eventual interface between users and their smart homes. With egg on its face, can the likes of Google be encouraged to rectify these mistakes? It comes in the same week as Amazon launched its new Lex system for AWS, allowing developers access to the Alexa AI-based system for building voice-enabled applications, and launching the Amazon Alexa 7-Mic Far-Field Development Kit, aimed at hardware developers looking to incorporate Amazon’s microphone array into their products. But…