People will be fluent in every language

the PopMechanics Brain Trust : scientist
With DARPA and Google racing to perfect instant translation, it won't be long until your cellphone speaks Swahili on your behalf.
the PopMechanics Brain Trust: Michael Belfiore Journalist/author, Rocketeers; Karen J. Brewer Chemistry professor, Virginia Tech; Shawn Carlson Founder, Society for Amateur Scientists; Sean Carroll Theoretical physicist, Caltech; David E. Cole Chairman emeritus, Center for Automotive Research; George Davison CEO and founder, Davison Intl; Esther Dyson Entrepreneur; Shawn Frayne Inventor/president, Humdinger Wind Energy; Stuart Harshbarger Co-founder and chief technology officer, Contineo Robotics LLC; Jamie Hyneman Host, MythBusters; Thomas D. Jones NASA astronaut and planetary scientist; Dr. Ken Kamler Microsurgeon and director, The Explorers Club; John Maeda President, Rhode Island School of Design; Annalee Newitz Editor-in-chief; Michael Ravine Advanced projects manager, Malin Space Science Systems; Glenn Harlan Reynolds Law professor, University of Tennessee and author, Instapundit; Adam Savage Host, MythBusters; Gavin A. SchmidtClimatologist, NASA Goddard Institute for Space Studies; Seth Shostak Senior astronomer, SETI Institute; Steven D. Weiner Director of engineering sciences, Sikorsky Aircraft Corp.; Daniel H. Wilson Roboticist and author, Robopocalypse; Jeff Wise Author, Extreme Fear

Popular mechanics, (2012) "110 Predictions For the Next 110 Years", [online], Available: