Apple's Product Cycle

Apple is famously secretive about the development of new products. At this week's Macworld Expo, their Vice President commented on their cycle:

He noted that Apple marches to certain annual product cycles: the holiday season (Novemberish), the educational buying season (late summer), the iPod product cycle (October), the iLife development cycle (usually March), the iPhone cycle (June).

He said that January's Macworld doesn't fit any of their product cycles, so they will be dropping out of the event...