In addition to wireless telephones is wireless computing computing which too lacks standards and consistent coverage, and entails technical barriers and corporate greed. The wireless, versus the historical impact of the PC, has yet to show a significant impact on the global economy. Wireless technology uses light or radio waves instead of copper wire or cable. Wireless includes cell phones, pagers, palm organizers, and pen sized portables. MP3 players download, convert, and listen to a personally customized mix of music.
Friends send short e mail messages by keypad or mini keyboard.
Teens use instant Internet access sites for games, talking to computers, and simply going online. A veteran English teacher at Pennsylvania s Latrobe Junior High, Esther Howard uses a laptop as a command central for her English classes. Every student in the school has been issued a wireless laptop. The benefits of laptops in the classroom and at home are enormous. Howard can turn students machines on and off, block Internet access, and disable spell checkers.