iphone 31天开源工程中的第一个，一个精美的计时器-Just like any good programmers we decided to bite this off the same day Apple lifted the NDA even faced with the time constraints. Needless to say the first app will be VERY simple, however it does demonstrate some stuff

利用vWF进行视频采集，并对图像进行实时监控，检测图像变化，实时报警处理，通过手机，网络等手段。-VWF use video capture, and real-time image monitoring, image change detection, real-time alarm processing, through mobile phones, Internet and other means.