By Quentin Hardy January 11, 2015 7:00 am January 11, 2015 7:00 am Sebastian Cuberos, on the laptop, demonstrated a newly announced Microsoft Skype program that simultaneously translated Spanish and English with his interviewer, seated at his desk, in San Francisco. Credit Jim Wilson/The New York Times The tech industry is doing its best to topple the Tower of Babel. Last month, Skype, Microsoft’s