Eric Winsborrow of Sipera Systems says that the wave of threats has been brought on by VoIP's new popularity in the business world as well as the technology's growing connection to the Internet at large, instead of smaller networks.

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But when it comes to service businesses, the nice thing is that many don't require expensive technology, save for maybe a computer and an Internet connection.

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In New York, the networks are challenging the legality of Aereo, a technology that allows anyone in New York with an Internet connection to receive their local TV stations on their computer.

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Or she confided in you that when she leaves work for the day, she goes home to a television-free home to spend time with a cup of coffee, her husband and absolutely no connection to the internet (it must be torturous to not understand technology).

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"The technology for delivering (high quality) video over a public Internet connection was unavailable 12 or 18 months ago, " says Paul Obermeyer, Comerica's chief information officer.

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The early-adopter set has been playing with home networking for a few years, but now the technology is spreading to mainstream consumers, who want to split the fast Internet connection of a cable modem or digital subscriber line (DSL) among several PCs, and also share computer files and peripherals such as printers and scanners.

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By contrast, Sprint has invested heavily in technology that can bring fast Internet access and multiple telephone lines to houses and small businesses through a single connection.

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The newest among them is Intel's Wireless Display (WiDi) technology, which enables easy and quick connection between TVs and PCs without the need for cables or Internet access.

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