A photo of the Ping Clock, which looks like a regular wall clock -- it has a circular steel outer ring, a white face, and black hands and markings. But instead of marking time, the markings show milliseconds, ranging from 0.1 ms to 1000 ms, with "packet loss" being the worst. In the bottom third of the clock face is a rectangular screen displaying the name of a wifi network and the host that is being pinged
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