众所周知的iphone屏幕就采用了这种技术：用两根手指的来放大或缩小图片，或者用滑动手势滚动页面。
A well-known example is the "pinching" of an Apple iPhone screen with two fingers to zoom, or a two-fingered "swipe" to go through Web pages.
另外一种基于滑动门效果，没有使用图片，所以它可以无线的加粗。
Another one based on sliding doors this one USES no images so it can be INFINITELY resized.
幻灯片控制自当前图片的顶部开始向下滑动。
Slide show controls literally slide down from the top of the current image.
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