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Wifi is another form of data transference that is found mainly in consoles, laptops, printers and other things. Its main function is used in electronics to help access the internet on the go, it helps access files and audio but only in homes and offices. There are however places that can offer free wifi such as Mc Donalds which the public can freely access at any time.
Wifi works by using "hotspots" these are foundin varoius interconnected accesss points often these are found in homes but in large citys these can be found in telephone boxes, streets and shops. Most WIFI is available free of charge in most area's it allows users to communicate with each other on the internet or in gaming using wireless ad-hoc network.
Wifi is often found in airports and buisnesses to attract customers where they can use devices such as mobile phones, digital camaras and laptops can all access it. Using local area networks it allows users to connect online without the use of cables. It has a range of 32m area span and its used in shops for checking inventory.If it is used in shops then this could be usefull in later developement in my product developement which can be used in the location of finding objects.