Lenovo’s Yoga Book 9i drew both appreciative and skeptical stares at CES earlier this year when it made its official debut: With two 13-inch OLED screens attached with a central hinge, it’s one of the most unusual laptop designs to ever make it into actual production. The Lenovo Yoga Book 9i ($2,099) is building on a long tradition of dual-screen notebook and portable device concepts (along with some shipping hardware), but it’s the first that proves the paradigm can work — and work well — for a lot of people.
Basics
The Lenovo Yoga Book 9i is defined by one feature in particular: Instead of having a hardware keyboard and trackpad for its lower half, it has a second 13.3-inch OLED screen to match the one on top. These are connected by a remarkable hinge that allows for use in a number of orientat...
