Complex sentence: In the keynote, Apple unveiled redesigned models of the Mac Pro, AirPort Time Capsule, AirPort Extreme, and MacBook Air, and showcased OS X Mavericks, iOS 7, iWork for iCloud, and a new music streaming service named iTunes Radio.
Split into simpler sentences: In the keynote, Apple unveiled a redesigned model of the Mac Pro, AirPort Time Capsule, and AirPort Extreme as well as updated models of the MacBook Air. Apple has also showcased OS X Mavericks, iOS 7, iWork for iCloud and a new music streaming service named iTunes Radio.