2. Almost the oldest mobile OSRedefined the entire world of mobile computing 3. And...No multitaskingNo 3rd party appsCouldnt copy or paste textCouldnt attach arbitrary files to emailsDidnt support MMSEtc. 4. But...Gestures: pintch-to-zoom, inertial scrolling, etc.Amazing speed and "directness"Mobile Safari first real mobile browserWidescreen iPodSoftware keyboardSpringboard 5. s