Teacher-less as in Cashless or wireless..??

World Economic Forum (@wef) Tweeted: Welcome to École 42, the teacher-less coding school in #Paris https://t.co/beSDOPEGKB https://t.co/fFGAEg9eS1 https://twitter.com/wef/status/955681775958806534?ref_src=twcamp%5Eshare%7Ctwsrc%5Em5%7Ctwgr%5Eemail%7Ctwcon%5E7046%7Ctwterm%5E2