This Language-Teaching Device Constantly Whispers Lessons In Your Ear | Innovation | Smithsonian

http://www.smithsonianmag.com/innovation/language-teaching-device-constantly-whispers-lessons-your-ear-180961470/?utm_source=smithsoniandaily&utm_medium=email&utm_campaign=12%2F16%2F2016+Daily+Newsletter&spMailingID=27354527&spUserID=Mjg0NzI2OTg1MTAwS0&spJobID=943539686&spReportId=OTQzNTM5Njg2S0