Lisa Gade reviews the Lenovo ThinkPad X1 Fold, the first Windows 10 tablet / convertible laptop with a flexible OLED display. The X1 Fold has a 13.3” OLED display with a 4:3 aspect ratio that can fold to a book-like posture or it can be used like a chassis laptop thanks to Lenovo’s magnetically attached wireless keyboard. The tablet also works with the Lenovo Mod Pen, which is a first for active pens on flexible displays. The Fold has an Intel Lakefield 5-core processor, 8GB RAM and your choice of 256GB-1TB PCIe SSD storage. It has a Windows Hello IR camera, 5MP front camera and is wrapped in a leather cover that doubles as a kickstand.