From bits of data transmitted across mere millimetres to gigabytes sent through the air over many kilometres, we live in an increasingly wireless world.
While the globe may not yet be covered in a seamless wireless network, the building blocks are being put into place.
At the Consumer Electronics Show in Las Vegas this week, a range of wireless technologies are on display, embedded in devices and products designed to connect our digital lives.
The wireless world is evolving into three types of networks - a Personal Area Network (Pan), which covers your immediate surroundings, a Local Area Network (Lan) for the home or hotspot and a Wide Area Network (Wan), which can cover a large geographic area.
One of the newest technologies on show at CES in the field of personal networks is Transfer Jet from Sony, a system to transfer bursts of data between devices in ultra close proximity.
http://news.bbc.co.uk/2/hi/technology/7180135.stm
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