Original sentence: - very different in design from a laptop or desktop computer) by 2009 is supported by the emergence of devices such as the portable media players, and advanced cell phones, as well as by newer PDA's
Edited sentence: - very different in design from a laptop or desktop computer) by 2009 is supported by the emergence of devices such as the iPod, BlackBerry, iPhone, and other advanced cell phones, as well as by newer PDA's