Two screens at the same time. That is the whole appeal of Lenovo’s Yoga Book 9i in a nutshell, as best as I can tell after using the device for a couple of weeks.
The $1,999.99 9i, for the uninitiated, is a dual-screen clamshell touchscreen laptop that eschews the traditional keyboard deck for a second touchscreen on the bottom half. Lenovo has been experimenting with nontraditional laptop designs for years, from foldable ThinkPads to twisting laptops with E Ink displays and virtual…
