Thanks to the following for their help and contributions:

Ozgur Akgun
Ahmad Salim Al-Sibahi
Edward Chadwick Amsden
Jan Bessai
Michael R. Bernstein
Nicola Botta
Edwin Brady
David Raymond Christiansen
Carter Charbonneau
Jason Dagit
Simon Fowler
Google
Cezar Ionescu
Irene Knapp
Paul Koerbitz
Shea Levy
Mathnerd314
Hannes Mehnert
Mekeor Melire
Melissa Mozifian
Dominic Mulligan
Jan de Muijnck-Hughes
Tom Prince
raichoo
Philip Rasmussen
Reynir Reynisson
Seo Sanghyeon
Benjamin Saunders
startling
Chetan T
Matúš Tejiščák
Dirk Ullrich
Leif Warner
Daniel Waterworth
Jonas Westerlund
Alyssa Carter