Nice one, xkcd.
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There are many exercise apps that allow you to keep track of your running, riding, and other activities. Record speed, …
There are rules—usually for specific chart types meant to be read in a specific way—that you shouldn’t break. When they are, everyone loses. This is that small handful.
For various occupations, the difference between the person who makes the most and the one who makes the least can be significant.
We don’t all start our work days at the same time, despite what morning rush hour might have you think.