In comparison to those, the PowerBook G4, the last Apple laptop to use a PowerPC CPU ... G4 processor that could be configured up to 500 Mhz and up to 1.5GB of RAM was also on offer.

Patrick McCarron shot a photo with his iPhone 4, realizing how the new MacBook Air is, indeed, just as thick as the lid of an old 12-inch PowerBook G4. Just the lid. Times change. But thinking of a ...