Duolingo has been through a lot of changes over the past few years. What was once solely a language-learning app has grown into a social media marketing machine, a destination for math and music ...

Forbes contributors publish independent expert analyses and insights. Barry Collins is a tech journalist writing about PCs, Macs and games. Online chess has exploded in popularity since the Netflix ...

Photographed against the Kansas City skyline, David Pentimone designed his own chess set based on the New York City skyline. A few years ago, he began working on a Kansas City-inspired set. From clubs ...

Magnus Carlsen, the chess grandmaster who has become the public face of the game, was forced into a draw after an intense game played over 6 1/2 weeks — and it only took some 143,000 opponents working ...