An image that summarizes the evolution of Apple's product

It is an image which summarizes how the form of Apple's product has evolved into one piece. In summary, it is somehow felt what direction Apple is looking for since the 1990s.

Details are as follows.
Apple Product Evolution

Although the eMate of 1997 made use of curves, it is an unusual design, but again the design from around iMac, Powermac G3 draws an eye out.

Many models are posted on this image, but some are omitted. For examplePippin at mark. Although the number of units sold is quite terrible, the design has a distinction from other game machines. Do you mean that we only have a multimedia machine?