Apple unveils iPhone Duo, a foldable phone that costs $1,999

New York Times: During a 75-minute recorded presentation at its headquarters in Cupertino, Calif., Apple unveiled the iPhone Duo, a foldable smartphone with a bendable display that opens and closes like a book. When it’s folded, the phone has a smaller screen on the front similar in size to a passport. When it’s open, consumers will be able to use two apps at the same time across a larger display. The phone will start at $1,999 and will be available on Oct. 23…