On October 20, 2009, Apple released a MacBook that introduced a new polycarbonate (plastic) unibody design, faster DDR3 memory, a multi-touch trackpad, an LED-backlit display, and a built-in seven-hour battery.
Pada tanggal 20 Oktober 2009, Apple merilis sebuah MacBook yang memperkenalkan polikarbonat baru (plastik) desain unibodi, memori DDR3 lebih cepat, trackpad multi-touch, layar LED-backlit, dan built-in tujuh jam baterai.