Duolingo achieved 50 million DAUs and $271 million in quarterly revenue, demonstrating strong topline growth and operational ...

"At minimum, it’s far from a slam dunk," said one analyst before David Ellison touted value, speed and safety of his bid. But ...

Teton Middle School’s 4+1 Program, now in its third full year, has become a signature initiative providing students with ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...