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Bluetooth became used frequently as a short range signal in many devices -
Windows XP was one of the first at-home easy to use operating systems. -
The flash drive allowed for much higher amounts of portable data storage in a compact device.
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The iPod led to the release of a number of other mobile phone type smart devices and the production of smartphone based applications such as iTunes -
The first phones that were both small, effective, and easy to type on in many cases
