For how-tos and expert opinions check out Mac Users Guide. Released during the summer of 1999 the Apple iBook G3 "Clamshell" was not only innovative in design but brought portable computing to a whole new level. iBook G3 had a PowerPC G3 CPU, USB, Ethernet, modem ports and an optical drive were standard. With the lid closed, the hinge is kept it firmly shut, so there is no need for a latch on the screen, similar to the current MacBook line. The hinge included an integrated carrying handle. This version of the iBook was discontinued in May, 2001.