71.   For one thing, the wireless networks are not widespread yet, Becker said.

72.   For consumers, that could mean abandoning hope for a seamless global wireless network.

73.   Four cellular telephone giants will team up to build a nationwide wireless network.

74.   For example, you will be able to talk, trade stocks and see your mother all via a wireless network.

75.   Hackers find it easy to infiltrate wireless networks because they use radio signals that are transmitted at the same frequency as most cordless telephones.

76.   He recently put wireless networks in his houses in Virginia and San Mateo, Calif., enabling his laptop to automatically collect his e-mail whenever he walks in.

77.   High-Speed Internet Network Set Motorola, Sun Microsystems and Cisco Systems are teaming up to create a new wireless network to provide high-speed Internet access.

78.   High-speed wireless networks are also in the offing.

79.   However, wireless networks have a downside.

80.   If wireless networks proliferate as fast as many researchers predict, is it possible for the airwaves to become overloaded?