By using a controller device called the WACI NX you could turn on the TV, turn on the XBOX, switch to the correct input on the TV, and send the PLAY command to XBMC all in 1 button press on your PSP.

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"You...start almost immediately to turn the switch on from a shorter-term tactical focus to a longer-term strategic focus, " he says.

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It's refreshingly easy to use: just raise the flash head to switch on... then turn off again by lowering when the flash isn't needed.

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But the ability to turn that switch on and off perfectly for others is a little like being able to walk a tightrope, chew gum, talk on the phone and solve a math problem at the same time.

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Some residents in Dorset are calling on the county council to turn street lights back on at night time claiming the current switch-off is "dangerous".

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As Moore's Law (computing power of a chip doubles every 18 months) continues to unfold and as bandwidth capacity continues to explode, just-turn-on-the-switch, easy-to-use high-tech appliances for specific functions will proliferate.

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Set up an activity for "Play Xbox, " for example, and in one touch it'll turn on your console, switch your TV to the correct source, select the right channel on your amp, and so on.

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