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Apple actually includes accelerometers in their laptops, so there is a free app called iAlertU (http://ialertu.sourceforge.net/ http://ialertu.sourceforge.net/)
by roryokane 16y ago
Apple actually includes accelerometers in their laptops, so there is a free app called iAlertU (http://ialertu.sourceforge.net/ http://ialertu.sourceforge.net/) that does exactly this.