Adding touchscreens to Macs is paramount to Apple's goals of unifying software and services on its devices and keeping up with a younger, touch-first generation (Mark Gurman/Bloomberg)

Mark Gurman / Bloomberg:
Adding touchscreens to Macs is paramount to Apple's goals of unifying software and services on its devices and keeping up with a younger, touch-first generation  —  Apple's upcoming move to Macs with touch screens is about the future of its user base.  Also: The company kicks …