Macworld.com – When Apple updated the iPod shuffle in March to its present 1.8-by-0.7-by-0.3-inch form factor, it kept around the colorful second-generation model. Presumably, Apple did that for more than just kicksâretaining the 2G shuffle let Apple continue to offer a model whose form factor, size (1GB), and weâre-practically-giving-them-away price tag of $49 doutblessly appealed to a significant enough segment of the market.