The first generation Microsoft Surface Duo was released more than two years ago, and after a series of software updates, it’s become one of my favorite pocket-sized gadgets for fun and productivity.

That makes it easy to compare one new smartphone with another. You can see what has changed and the difference is quantifiable. More importantly, you will use both smartphones in the same way. There’s ...

Microsoft still believes in its dual-screen phone/tablet hybrid. Its vision is coming closer, but isn’t quite there. Hold out for the Surface Duo 3. Microsoft’s new Surface Duo 2 smartphone poses a ...