‘Alexa – can you teach my kids some manners, please?’

As voice-controlled AI creeps into millions of homes, a modern dilemma presents itself: how does one properly address a virtual being?The work of an etiquette expert is never-ending. No sooner have you adjusted to a world in which the households you advise may have few or – whisper it – no staff, than the technology giants develop personal assistants using artificial intelligence.It is a whole new minefield and, as the Times reports, one already developing new expertise. On