There are new iPhones, and there is the all-new iPhone Duo. Apple’s first folding smartphone is a product made to prove that Steve Jobs’ old joint can still innovate, and has the clout to charge you $1999 for the privilege. The pitch: what if your iPhone could open up into an iPad? A very literal “…and one more thing.”
Like Carlos Alcaraz and his yellow-gold Le Mans Daytona, the Duo is not something that anyone needs. But I can personally confirm that if you get your hands on an…

