When a CPA saves an extra hour or two by stopping at a wireless Internet hot spot and doing some work online, the benefits can be "huge," according to Peter Henley, a CPA and director of information technology at Clark Nuber, a Seattle-based CPA firm. "Those extra hours are what the accounting industry is always trying to gain."With increasing access points to hook onto wireless services and faster connections being built every year, Wi-Fi is becoming the customary way to hook up to the Internet within the accounting industry. Wi-Fi devices - which include not only e-mail capabilities but phone, instant messaging and access to software in the office network - are also saving time and increasing productivity for accountants. Security still remains a concern for many Wi-Fi users; however, data can be easily protected with just a few measures.

Three major networks are used today for Wi-Fi services: personal area networks, local area networks, and wide area networks. PAN services, utilizing Bluetooth technology, rely on a short-range radio frequency standard for voice and data transfer. Bluetooth is the main communications technology used in such PAN devices as local printers, personal digital assistants like Hewlett Packard's iPAQ, and mobile phones.

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