I've been helping readers find the best deals for over five years. Thanks to this deal from StackSocial, you can get access to over 121 hours of online chess lessons for only $100. As the name implies ...

In Dan Starbuck Pelletier’s program, the only kings and pawns in the room move on a black-and-white checkerboard. The playing field that exists outside the room is leveled to make way for the world’s ...

Anyone who’s taken language lessons on the Duolingo app is certainly familiar with the Duolingo owl, Duo. If you skip out on lessons, Duo will ping you — crying! — to come back. Over the past few ...