This is not true. MacBooks all have a Sudden Motion Sensor which has an API that will give you live accelerometer data. Here's a quick list of apps/games that u

This is not true. MacBooks all have a Sudden Motion Sensor which has an API that will give you live accelerometer data. Here's a quick list of apps/games that use it: http://modmyi.com/forums/mac-gaming/800715-sudden-motion-sensor-games-apps.html http://modmyi.com/forums/mac-gaming/800715-sudden-motion-sen... And here's an open-source Obj-C library to get the data: http://www.suitable.com/tools/smslib.html http://www.suitable.com/tools/smslib.html To access the data via JavaScript you can just listen for the "deviceorientation" event. http://stackoverflow.com/questions/4378435/how-to-access-accelerometer-gyroscope-data-from-javascript http://stackoverflow.com/questions/4378435/how-to-access-acc...