How translation apps are ironing out embarrassing gaffes

Translation apps are getting better, but they're still not perfect, particularly for minority languages. Can artificial intelligence and deep neural networks help iron out the glitches? During the World Cup in Russia this summer there was a dramatic spike in the use of Google Translate, the company says, as fans tried to strike up conversations with their hosts and fellow fans from around the world. The words for "stadium" and "beer" were in particularly high demand. These days the traditional phrasebook is on the way out.