Things That Make You Go Hmm...
Posted by HOT 105 on Friday, January 20, 2017
An estimated 1.8 million people attended President Barack Obama's first inauguration.
Metro Ridership: As of 11am, 193k trips taken so far today. (11am 1/20/13 = 317k, 11am 1/20/09 = 513k, 11am 1/20/05 = 197k) #wmata
— Metro (@wmata) January 20, 2017
The swearing-in ceremony began around 11 a.m.
"The best way is by aerial photography ... Take pictures and count heads, but even that is fraught," Seife said, according to Vox. "Pictures are taken at particular times, and (crowd) density may change over time. You're not going to see everybody. People will be popping in and out of buildings. There are people under trees. You can get a pretty sizable estimate, but it's not perfectly accurate."
"Almost everyone who has tried to make a crowd estimate has a vested interest in what the outcome of the estimate is," Seife said in a in 2011 interview. "Whenever you see a crowd estimate, you have to wonder where it's coming from."
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