sportswear company nike has unveiled the latest incarnation of its self—lacing smart shoe. with a range of lace tensions. and if you're worried about getting stuck in them, no fear — the company says the battery will last at least ten days. and finally, spare a thought for the robots of henn na hotel this week, some of whom are looking for work. in a twist to the classic tale, japan's iconic robot hotel has had to lay off half of its 243—strong robotic workforce. velociraptor receptionist is gone, as well as dozens of the in—room assistant churi. as well as maintenance issues, churi kept on waking people up at night, mistaking snores for questions, and velocira ptor receptionist couldn't handle foreign guests. and now, we're gonna go back in time to the consumer electronics show in las vegas from last week, where voice was a massive deal. and we asked lara lewington and richard taylor to check out the big talk at the show. it's only taken a few years for voice—activated smart assistants to become an integral part of every self—respecting techie‘s lifestyle. amazon's alexa s