YouTube doesn’t offer numbers for how big they are, so Ethan Zuckerman and…
estimation
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Estimating the size of YouTube
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Calculating swim speeds
The New York Times charted speed ranks during the women’s 4×100 freestyle relay.…
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Counting large crowds
So the inauguration was on Friday, and there’s been some disagreement about how…
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Challenges measuring crime worldwide
You would think that something so concrete, carefully recorded by authorities, wouldn’t be…