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The portable stereo that ruled the bedroom and the backyard: a CD player up top, a cassette deck (or two), and speakers loud enough to annoy the neighbors. In the mix-CD era it was command central for playing your burned discs and taping songs off the radio.
Sony's widescreen handheld that made your backpack feel like contraband. The PSP played UMD games and movies, had actual graphics, and let you game or watch on the go—turning every school lunch period into a gaming session. It felt like the future until the future moved on.