Christopher Allen is one of the leaders of the iPhone developer community. He is the host of iPhoneWebDev.com, which is the largest independent community of iPhone-based web developers, and manages its mailing list. He is also one of the founders of iPhoneDevCamp and oversees its Hackathon, and is co-author of iPhone in Action:Introduction to Web and SDK Development. Christopher is a longtime technologist, and is also a leader in social software and was one of the authors of TLS, the next-generation SSL protocol.
The iPhone's accelerometers can provide access to a variety of information about where an iPhone exists in space. By measuring gravity, you can easily discover an iPhone's precise orientation. By measuring movement, you can see how an iPhone is being guided through space. Further, you ...Nov. 5, 2008 11:00 AM EST Reads: 4,364
