https://arstechnica.com/gadgets/2023/06/a-threat-to-portable-monitors-everywhere-lenovo-yoga-book-9i-review/

Dual-screen laptops have been around for enough years that Asus now has a lineup of them. But Lenovo's Yoga Book 9 is the dual-screen option for maximum screen space. Open the 2-in-1 laptop, and you'll find two 13.3-inch, 16:10 OLED touchscreens in lieu of any integrated keyboard, touchpad, or traditional deck.

The machine looks striking. But once you're past the initial intrigue, you might ask yourself: Why would I want this? Well—you might not. This is an unusual laptop built for unique needs. While our review will explain how it works—and its undesirable quirks—many might find its design inconvenient.