He didn't talk about old technology like 'smartphones', which existed as products (Nokia Communicator, ...) 20 years ago, but claimed that much better 'futurist

He didn't talk about old technology like 'smartphones', which existed as products (Nokia Communicator, ...) 20 years ago, but claimed that much better 'futuristic' IDEs for Lisp are possible, though what he claims may currently only exist in his imagination...