If real-time translation apps can get it right, they could upend a lucrative sector. According to a recent report by the Economist newspaper - which cited consulting firm Common Sense Advisory - the language interpretation industry generates about $37bn (£24bn) worth of sales every year. But the problems I experienced in Bilbao suggest that processor-powered translations still have far to go. Those issues are indicative of speech recognition tech's limitations in general, according to Joseba Abaitua, an academic at the modern foreign languages department at Bilbao's University of Deusto. Mr Abaitua, who specialises in online communication, suggests that interacting via...