Gives the user a random fact from among those given in Randall Munroe's xkcd #1930 (https://xkcd.com/1930/). The given facts are used under the terms of the CC BY-NC 2.5 license (https://creativecommons.org/licenses/by-nc/2.5/).
“Alexa, ask Truthy Calendar Facts for a truthy calendar fact”
market
