Motion API is a great way for you as a developer to get access to sensor data in more sophisticated and more useful way than just getting the raw data from each sensor. There's a complex math in the background that combines the sensor data for you to get more usable data. This way, you can use Motion API to do interesting things such as rotate 3D objects in space using XNA Framework and Windows Phone. I have to digress first a little bit. I haven't written anything for a while now because I've been busy with a few apps and especially with the Photo Light update. It's now completely refreshed and, in my personal opinion, much better than the first version.

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