That's where promo codes swoop in like Duo himself, offering sweet discounts on Super Duolingo, the ad-free premium ...

This article was produced as part of JTA’s Teen Journalism Fellowship, a program that works with Jewish teens around the ...

A few weeks before flying to Lisbon for vacation earlier this year, I redownloaded Duolingo. I'd used the language-learning app off and on over the years to brush up on my high-school French ...