The iPhone Duo started shipping about two weeks ago, and app support has been one of the early talking points. Today, Apple claims there are already well over 100,000 apps built for the foldable live on the App Store, with thousands of optimized titles being added each day.[#InlinePriceWidget,13804,1#]Susan Prescott, Apple's vice president of Worldwide Developer Relations, says developers have moved quickly to embrace the handset. Recent examples include Microsoft's Excel, OneNote, PowerPoint, and Word, along with Etsy, Goodnotes, Halide Mark III, NBA, NHL, Zoom, Amazon Prime Video,...