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Lenovo’s dual-screen Yoga Book 9i is an expensive, but successful proof of concept. Looking for more options? If so, check out PCWorld’s roundup of the best 2-in-1 laptops available right now. The ...

The Lenovo Yoga Book 9i is a unique Windows 2-in-1. Though it’s okay as a laptop, and can also be used as a tablet, it’s perhaps best understood as a portable all-in-one. Lenovo has a long history of ...