The Future - and Past - of Dual-Screen Laptops and Tablets

Nearly a decade ago, Microsoft cancelled the Courier tablet (see below), which would have been the first dual-screen tablet/laptop on the market, and it would have been competing head-to-head with the single-screen iPad when that tablet was first released:

Now the Courier's untimely death seems especially premature, since the big news coming from Computex 2018 is that several of the big computer manufacturers are coming out with dual-screen tablets/laptops that look all-too-familiar to anyone who saw a Microsoft Courier tablet back in the day:

It seems that - given enough time - foresight and hindsight can become blurred...