==== funny xkcd cartoons I came across ====
  * https://xkcd.com/605/ - extrapolating
  * https://xkcd.com/1172/ - spacebar heating
  * https://xkcd.com/149/ - sudo make me a sandwich
  * https://xkcd.com/2757/ - Do you know how to land a plane that's towing a banner? Call 555-0127 now!
  * https://xkcd.com/1827/ - survivorship bias
  * https://m.xkcd.com/1618/ - Cold Medicine
  * https://m.xkcd.com/386/ - Duty Calls
  * https://xkcd.com/803/ - airfoil
  * https://xkcd.com/1053/ - not everyone knows what you know

==== xkcd cartoons from which I learned something new ====
  * https://xkcd.com/2699/
    * https://en.wikipedia.org/wiki/Cybiko