GoKawiilApple's foldable iPhone Duo isn't the first tech product named 'Duo'
Apple unveiled its first foldable-screen device, the iPhone Duo, featuring a nano-texture display designed to hide the fold crease. The name itself has a long history in tech, having previously been used for NEC's TurboDuo game console, Google's video-calling app Duo, and Apple's own PowerBook Duo laptop from 1992.