what the hell is bluetooth?

It is actually a radio transmitter or reciever or both that is designed to work over short distances. Say between computers as a link, or from computer to speakers for music, downloading pics from cell phone to computer and so on. It's use is free because of the short distance it can be used at (usually up to around 300 feet). a blueray knockoff. i think it has something to do with getting wireless internet on your phone Basically the need for cable-less networking or wireless networking has led to the development of the blue tooth protocol. Blue tooth essentially is the result of the efforts of a number of wireless product development companies who have collaborated to develop electronic components, which have the capability of communicating among themselves.

The actual means of blue tooth working is achieved by "radio waves”. Plain space is the medium. The reasons for choosing radio waves is that light which is the other alternative requires a line of sight whereas radio waves can spread over a region. The frequency chosen for this is 2.4-2.5 GHz. Blue tooth can also be utilized to interconnect 2 or more LAN’s having the capability to run blue tooth. Wireless gaming. Never tried it though! it's a PDA type thing. I have one! It's a little earphone that you put on your ear and you talk to people on the bluetooth just like a regular phone! Bluetooth is simply a new standard in wireless connections for devices. Unlike Infrared signals which are limited to a very short distance, Bluetooth is capable of 3 meters or roughly 33 feet at full strength and capable of 10 meters line of sight.The most common uses for bluetooth to date are wireless headsets for phones of every system design and device connections with computers, such as keyboards and other controllers.