Thank you to the creative individuals and organizations for the following:
Web site theme, by www.zerostatic.io, MIT License.
“Mental maze” icon by Juicy Fish, Creative Commons (CC BY) license.
“Voice” icon by Chintuza, Creative Commons (CC BY) license.
“People” icon by mitochondrial, Creative Commons (CC BY) license.
“Clock” icon by Alfredo @ IconsAlfredo.us, Creative Commons (CC BY) license.