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Bluetooth Presenter - Macworld
http://news.google.com/news/url?sa=T&ct=us/6-0&fd=R&url=http://www.macworld.com/article/138444/2009/01/bluetoothpresenter.html%3Ft%3D219&cid=1297412184&ei=IL9-SZnbK4egM73coZkG&usg=AFQjCNElv8W_PjVmfYilpD36vbpibw1Qnw