The robots aren't coming... They are already here

If you've ever commanded a plastic tower the size of a Pringles tube to play Ed Sheeran, tweaked your home central heating from the office or bought a product that Amazon recommended, then you've had a close encounter with artificial intelligence (AI). OK, the smarts on display here make your average toddler look like Einstein. But the machines are catching up fast – with the help of some super-bright humans. Tokyo's Henn-na, the world's first hotel staffed by robots. By'everything else' he means stuff like cancer, climate change and time travel, rather than today's cryptic crossword.