Apple entered the market for mini form-factor digital audio players on January 6, 2004, with the introduction of iPod mini. Competing directly with players like Creative's Zen Micro and Digital Networks' Rio Carbon, it had 4 GB of storage and a price of $249 (at the time, only $50 below the 15 GB third-generation iPod). Critics panned it as too expensive, but once again it proved overwhelmingly popular, and Apple Stores had difficulty keeping the model in stock.

The Nintendo DS (which is short for Dual Screen, although Nintendo has also promotionally said it to be short for Developer's System, due to the manufacturer's claim of the \"sheer joy\" of developing games for the handheld), is a dual-screen portable handheld game console developed and manufactured by Nintendo. Its code name was Project Nitro. The DS has a vertical clamshell design, similar to some Game