2000
Apple releases the Pro Mouse, its first mouse with an optical tracking sensor. It features a monolithic surface button and a stylish translucent oblong shape.
2003
Apple releases its first wireless mouse, unsurprisingly titled the Apple Wireless Mouse. It uses Bluetooth as its wireless protocol, but it still has only one button.
2004
Logitech releases the first mouse to use a laser for optical tracking, the MX 1000. The laser tracking system, developed by Agilent, provides far greater accuracy than the previous LED-based optical tracking method.
2005
Apple releases the Mighty Mouse, its first mouse to feature more than one button (four, in fact). The two main buttons are not physical, but instead use capacitive touch sensors with a tiny speaker to provide audible feedback for each click. The mouse also includes a scroll ball that lets users scroll in any direction.
2006
Apple releases the Wireless Mighty Mouse, which uses the Bluetooth wireless protocol.
2008
Logitech ships its one-billionth mouse since it began selling them in 1982.





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