I heard her beating the shoes against each other and shaking out my pants and sweater.

"When they returned," Wise writes, "they would be asked to shake out their towels. And [the Chinese] would end up knowing more about the sand than anyone else.

The reason for this is that as we know, longer focal length lenses magnify the image, but they also magnify the camera shake.

So you pay for three things in network access: bandwidth, latency, and jitter.

To minimize delay and jitter, the network devices must be able to service voice packets as soon as they arrive, or in other words, in strict priority fashion.