Telefonica launches 'Aura' voice assistant in six countries

BARCELONA, Feb 25 (Reuters) - Spanish mobile operator Telefonica on Sunday launched a voice-activated assistant, called 'Aura', in six countries, using artificial intelligence to interact with its customers.

The announcement, on the eve of the Mobile World Congress in Barcelona, comes a year after Telefonica promised a makeover in response to U.S. tech giants like Amazon, whose interactive aide Alexa has become a big seller. ($1 = 0.8135 euros) (Writing by Douglas Busvine. Editing by Jane Merriman)